LaMotte Reagent List

Complete List of LaMotte Reagents and How to Determine Reagent Manufacture and Expiration Dates

The majority of LaMotte reagents have an expiration date printed on the label. Knowing the expiration date can prevent wasting reagents and avoid using reagents that are long past their shelf-life but are presumed to be acceptable because they have only recently been opened.

GHS ID label

If the expiration date is not printed on the label, it can be calculated from the reagent lot number. On the lower edge of the label for each LaMotte reagent is a six (sometimes seven) digit lot number. The first two digits of the lot number identify the week of manufacture. The third digit identifies the last number in the year of manufacture. For example, a reagent with a lot number of 4951222 was manufactured the 49th week of the year 2015. A reagent with the lot number of 2941222 was manufactured the 29th week of the year 2014.

The lot number found on each reagent bottle and the Reagent Shelf-Life Chart (below) are used to determine the reagent expiration date. This expiration date can then be marked on the label or on a data sheet. Awareness of the reagent expiration date will enable the user to plan refill orders as well as ensure reliable and accurate test results.

If the shelf life of the reagent is unknown, one year from the date of manufacture is a good rule of thumb.

To determine the expiration date of a reagent:

  1. Determine the week of manufacture from the reagent label as explained above.
  2. Find the reagent code number on the reagent label.
  3. Consult the Reagent Shelf-Life Chart to determine the reagent shelf life for that reagent.
  4. Add the shelf life to the week of manufacture.

Example: The first three digits of the lot number on the label are 255 so the manufacture date is the 25th week of the year 2015. According to the Reagent Shelf-Life Chart, Code 2202 has a shelf life of 2 years. So the reagent is good until the 25th week of the year 2017 (25th week of 2015 + 2 years = 25th week of 2017).

Reagent Storage Guidelines

Reagents should be stored at room temperature (22°C) and away from heat, humidity, moisture, direct sunlight and cold conditions. The storage temperature should be kept as constant as possible, without large fluctuations in temperature. Reagents should not be kept refrigerated, unless specified otherwise in the kit instructions or packing literature for the reagents. Reagents should not be stored in vehicles, utility rooms, pool and pump houses, or other environments where conditions may be harsh. Exposure to such conditions will compromise the quality and stability of reagents and shorten the reagent shelf life.


Reagent Shelf-Life Chart

2 3 4 5 6 7 8 9 T V WL

 


Reagent Code #

Description

Shelf Life
2202 Meta Cresol Purple 2 yr.
2208 Bromcresol Purple 2 yr.
2209 Chlorophenol Red 2 yr.
2210 Bromthymol Blue 2 yr.
2211 Phenol Red 2 yr.
2212 Cresol Red 2 yr.
2213 Thymol Blue 2 yr.
2214 Oleo Red B 2 yr.
2215 LaMotte Purple 2 yr.
2217 LaMotte Violet 2 yr.
2218 Wide Range Indicator 2 yr.
2221 Duplex Indicator 2 yr.
2246 Phenolphthalein 3 yr.
2258 Phenolphthalein 3 yr.
2299 Methyl Orange 18 mo.
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2302 Acid Wide Range 2 yr.
2303 Alkaline Wide Range 2 yr.
2304 TRL Phenol Red 2 yr.
2311 BCG-MR Indicator 2 yr.
2311-EG BCG-MR Indicator 18 mo
2776 Acid Phenanthroline 2 yr.
2777 Iron Reducing 2 yr.
2779 Iodide Iodate 2 yr.
2780 T.C. Indicator 3 yr.
2781 T.C. Titrant 2 yr.
2782 Free Chelant Titrant 2 yr.
2783 Hardness 10 3 yr.
2785 Metal Inhibitor 2 yr.
2786 Total Alkalinity 6 mo.
2788 Hardness 2 3 yr.
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2789 Can Solution 2 yr.
2790 Hypochlorite D 2 yr.
2793 Cyanide Indicator 2 yr.
2794 Cyanide CL 18 mo.
2797 Alkalinity Indicator 6 mo
2799 Nitrate 1 3 yr.
2818 Hydrochloric Acid 0.2N 2 yr.
2843 Phosphate Buffer 18 mo.
2850 Cyanide Buffer 18 mo.
2881 PH 7.00 Buffer 18 mo.
2959 pH Test Paper 3 yr.
2981 Insta-Test Low Range Hardness test strips 2.5 yr.
3016 Formaldehyde 3 yr.
3483 Zinc Acetate 3 yr.
3703 Nitrate 2 18 mo.
3735   2 yr.
3756 Calcium Chloride 3 yr.
3760 Ferric Chloride 18 mo.
3761 Magnesium Sulfate 3 yr.
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3771 Buffer Solution, pH 4.01 18 mo.
3772 Buffer Solution, pH 7.0 18 mo.
3819 Sodium Thiosulfate 18 mo.
3824 Silver Nitrate 2 yr.
3825 Potassium PTB Solution 18 mo.
3850 Potassium Iodide 5% 2 yr.
3869 Alkalinity Indicator 2 2 yr.
3870 Alkalinity Indicator 1 3 yr.
3875 Acid Zirconyl Spadns 6 mo.
3881 Nitrate 3 yr.
3885 Cloride 18 mo.
3886 Nitrite 3 yr.
3919   2 yr.
3920-4box pH, Alk, Hard, CYA 3 yr.
3921 TEA Reagent 2 yr.
3922 Calcium/Magnesium Inhibitor 3 yr.
3929 Fluoride Inhibitor 2 yr.
3943 Aluminum 1 2 yr.
3944 Aluminum 2 3 yr.
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3945 Lead C 2 yr.
3946 Lead Indicator 1 yr.
3951 Lead A 3 yr.
3956 Manganese Indicator 18 mo.
3962 Molybdate 1 HR 3 yr.
3963 Molybdate 2 HR 3 yr.
3964 Chrome Azurol S 2 yr.
3965 Thorium Nitrate 2 yr.
3978 Salicylate Ammon. 1 3 yr.
3979 Salicylate Ammon. 2 3 yr.
3982 Salicylate Ammon. 3 18 mo.
3986 Bleach Solution A 2 yr.
3987 Bleach Solution B 1 yr.
3989 Indigo Blue Solution 6 mo.
3990 Chlorine Inhibitor 2 yr.
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3991 Ozone Buffer 18 mo.
3992 Chlorine/Bromine 18 mo.
3995 Toluidine Blue O 2 yr.
3996 Quat Titrating 18 mo.
3997 MO Buffer 18 mo.
3998 Denatured Alcohol 2 yr.
3999 MO Titrant 2 yr.
4001 Carbazone n/a
4004 Sodium Hydroxide 2 yr.
4015 Alkalinity Titration Solution 2 yr.
4020 Buffered Ammonia Reagent 1 yr.
4021 PAN Indicator 1yr.
4022 Stablizing Reagent 1 yr.
4032 Ammonium Chloride Buffer 1 yr.
4033 PAR Indicator 1 yr.
4034 DDC Reagent 2 yr.
4035 Phosphorus 2 yr.
4036 Digestion 2 yr.
4037 Total Phosphorus HR Hydroxide 2 yr.
4038 Total Phosphorus LR Hydroxide 2 yr.
4039 Total Phosphorus HR Indicator 2 yr.
4040 Total Nitrogen Hydroxide 2 yr.
4041 Total Nitrogen A\\ 2 yr.
4042 Total Nitrogen B 2 yr.
4043 Total Nitrogen Acid 2 yr.
4054 Arsenic 2 yr.
4055 Arsenic 2 yr.
4056 Arsenic 2 yr.
4069 Chloride A 3 yr.
4070 Chloride B 2 yr.
4100 O-Tolidine 3 yr.
4128 Sodium Arsenite 3 yr.
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4133 DSP Buffer 18 mo.
4134 PSSA Reagent 5% 18 mo.
4135 Borate Buffer 2 yr.
4167 Mang. Sulfate 3 yr.
4169 Sodium Thiosulfate 18 mo.
4170 Starch Indicator 18 mo.
4250 Chlorine Test Papers 2 yr.
4253 Carbon Dioxide B 3 yr.
4255 Hardness Buffer 3 yr.
4257 Hardness Titration 3 yr.
4259 Sodium Hydroxide 3 yr.
4313 Cyanuric Acid UDV 2 yr.
4314 Copper UDV 2 yr.
4315 Iron UDV 2 yr.
4410 VM Phosphate 3 yr.
4427 Lead Dithizone 18 mo.
4431 Chromate Indicator 2 yr.
4450 Iron 1 3 yr.
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4451 Iron 2 2 yr.
4458 Sulfide A 2 yr.
4459 Sulfide B 2 yr.
4460 Sulfide C 3 yr.
4466 Silica 1 3 yr.
4467 Silica 2 2 yr.
4468 Silica 3 3 yr.
4475 Nitrite Reagent A 2 yr.
4483 Hardness 5 1 yr.
4484 Hardness 6 2 yr.
4485 Hardness 6 3 yr.
4487 Hardness Titrant 3 yr.
4493 Alk Titrant 2 yr.
4498 Chlorine 1 18 mo.
4499 Chlorine 2 2 yr.
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4500 Chlorine 3 2 yr.
4504 Chloride Reagent #1 3 yr.
4505 Chloride 2 2 yr.
4508 DS Indicator 18 mo.
4509 pH Adjustment Powder 2 yr.
4513 DS Reference 18 mo.
4542 Precip A 3 yr.
4543 Precip B 2 yr.
4566 QTC Cond 3 yr.
4571 Silica 1 3 yr.
4573 Sulfite Reagent 3 2 yr.
4606 Phosphate A 2 yr.
4607 Phosphate B/C 6 yr.
4633 Sulfide Test 1 2 yr.
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4634 Sulfide Test 2 3 yr.
4635 Sulfide Test 3 2 yr.
4636 Sulfide Test 4 3 yr.
4637 Sulfide Test 5 2 yr.
4638 Sulfide Test 6 2 yr.
4639 Sulfide Test 7 2 yr.
4640 Sulfide Test 8 3 yr.
4697 Hydrochloric Acid 20% 3 yr.
4767 Soap 4 3 yr.
4791 DEHA 1 1 yr.
4792 DEHA 2 1 yr.
4793 DEHA 3 1 yr.
4797 Ammonia Nitro. 1 3 yr.
4798 Ammonia Nitro. 2 2 yr.
4802 TDS A 1 yr.
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4803 TDS B 3 yr.
4804 Cation Exchange n/a
4841 Hydrazine A 3 yr.
4842 Reagent B 2 yr.
4852 Cobalt Buffer 1 yr.
4853 Cobalt Indicator 18 mo.
4854 Stabilizer Solution 2 yr.
4856 Cyanuric Acid Rgt. 3 yr.
4862 TMK 2 yr.
4863 Propyl Alcohol 2 yr.
4864 Acetate Buffer 2 yr.
4869 Boron Buffer 2 yr.
4870 Boron Indicator Powder 6 mo.
4877 Sodium Chloride 2 yr.
4921 Bromine Reagent O-T-O 3 yr.
5101 Aluminum Test Solution 18 mo.
5101 Aluminum Test Solution 18 mo.
5103 Ammonia Nitrogen Soln1 2 yr.
5103 Ammonia Nitrogen Test Soln 2 yr.
5108 Calcium Test Solution 3 yr.
5111 Chloride Test Solution 2 yr.
5115 Deionized Water 5 yr.
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5116 Ferric Iron Test Solution 2 yr.
5119 Humus Screening Powder 2 yr.
5125 Calcium Magnesium Buffer 3 yr.
5126 Ca & Mg Buffer 3 yr.
5128 Formaldehyde 2 yr.
5140 Magnesium Test Solution 2 yr.
5143 Soil Flocculating Reagent 3 yr.
5145 Magnesium & Manganese Soln 3 yr.
5145 Magnesium & Manganese Soln 2 3 yr.
5146 Nitrate Reagent 1 2 yr.
5147 Nitrate Reagent 2 Powder 2 yr.
5148 Nitrate Test Soln 2 yr.
5151 Nitrite Nitrogen Test Reagent 1 2 yr.
5152 Nitrite Nitrogen Test Reagent 2 3 yr.
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5153 Nitrite Nitrogen Reagent 3 3 yr.
5156 Phosphorus Reagent 2 2 yr.
5157 Phosphorus Reagent 3 Tablets 3 yr.
5161 Potassium Reagent B Tablets 1 yr.
5162 Potassium Reagent C 2 yr.
5168 Sodium Hydroxide 2 yr.
5171 Sulfate Test Solution 3 yr.
5172 Sulfuric Acid 2 yr.
5173 Universal Extracting Solution 3 yr.
5174 Sodium Hydroxide Sol0.2N 3 yr.
5175 Distilled Water 2 yr.
5223 Zinc Reagent 4 3 yr.
5224 Zinc Reagent 5 3 yr.
5225 Zinc Reagent 6 3 yr.
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5250 Calcium Hardness 3 yr.
5254 Standard EDTA Reagent 3 yr.
5254 Standard EDTA Reagent 3 yr.
5267 Copper Test Solution 3 yr.
5275 Iron Reagent Powder 2 yr.
5275 Iron Reagent Powder 2 yr.
5635 Hardness Buffer Reagent 1 yr.
5636 Hardness Indicator Reagent 3 yr.
5637 Hardness Titration Reagent 3 yr.
5638 Charcoal Suspension 3 yr.
5638 Charcoal Suspension 3 yr.
5643 Soil Flocculating Reagent 3 yr.
5648 Sodium Hydroxide 3 yr.
5649 Hydrochloric Acid 3 yr.
5650L Hydrogen Peroxide 2 yr.
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5701 pH Indicator 2 2 yr.
5702 Nitrogen Extracting Solution 3 yr.
5703 Nitrogen Indicator Powder 2 yr.
5704 Phosphorus Extracting Solution 3 yr.
5705 Phosphorus Indicator Reagent 2 yr.
5706 Phosphorus Test Tablets 3 yr.
5707 Potassium Extracting Solution 3 yr.
5708 Potassium Indicator Tablets 2 yr.
5709 Potassium Test Solution 2 yr.
5941 Tricon Flucculating Reagent 3 yr.
6004 Calibration Standard 1.5 yr.
6025 Hydrochloric Acid 3 yr.
6037 Detergent 2 2 yr.
6058 STD Color 3 yr.
6065 Sodium Hydroxide 0.0227N 3 yr.
6068 Acid Demand 2 yr.
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6073 Barium Chloride 2 yr.
6090 Sulfuric Acid 3 yr.
6091 Hydrogen Peroxide 2 yr.
6102 Alkalinity Titrant 2 yr.
6111 Alk Titrant 3 yr.
6115 Hydrochloric Acid 3 yr.
6117 Barium Chloride 3 yr.
6130 Hydrochloric Acid 3 yr.
6133 Isopropanol 2 yr.
6139 Sulfuric Acid 1.0N 3 yr.
6141 Sulfuric Acid 3 yr.
6155 Sodium Thiosulfate 2 yr.
6158 Thorium Nitrate 2 yr.
6159 SCH-Conditioning Reagent 3 yr
6165 Xylenol Orange 2 yr.
6195 Formazin 1.5 yr.
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6197 DPD 3 3 yr.
6203 Chloroform 2 yr.
6241 Nitrite Reagent C Powder 18 mo
6248 Sodium Hydroxide 18 mo
6250 Potassium Iodide Iodate 2 yr.
6251 Hydrochloric Acid 3 yr.
6253 Sodium Citrate 3 yr.
6254 Dimethylglyoxime 2 yr.
6261 Hardness Titration Reagent 3 yr.
6267 Dechlorinating 2 yr.
6276 Chromium Rgt. 3 yr.
6277 Sulfate Rgt. 3 yr.
6278 Mixed Acid 3 yr.
6279 Nitrate Reducing 1 yr.
6281 Color Developing 2 yr.
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6282 Phosphate Acid 1 yr.
6283 Phosphate Reducing 2 yr.
6284 Silica 4 2 yr.
6286 Sulfamic Acid 2 yr.
6289 Sulfuric Acid 3 yr.
6290 Sulfuric Acid 3 yr.
6303 Nitric Acid Solution 3 yr.
6310 Manganese Buffer Reagent 2 yr.
6311 Manganese Periodate Reagent 2 yr.
6314 Zinc Indicator 18 mo.
6315 Zinc Buffer 2 yr.
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6316 Sodium Ascorbate 2 yr.
6319 Methyl Alcohol 2 yr.
6323 Hydrochloric Acid 3 yr.
6324 Hydrochloric Acid 0.02N 2 yr.
6346 Silver Nitrate 2 yr.
6352 Potassium Chromate 5% 3 yr.
6354 Conductivity Std, 1413 umhos/cm 18 mo.
6361 Acid Extracting Solution 3 yr.
6362 Special NF Phosphate Ext Soln 3 yr.
6363 Sulfate Extract Solution 1 yr.
6364 Tetraphenylboron 2 yr.
6367 Copper A 2 yr.
6368 Copper B 2 yr.
6376 SDMBT 2R 2 yr.
6377 Iodine Solution 0.025n 6 mo.
6378 Morpholine Indicator 2 yr.
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6381 Hydrochloric Acid 3 yr.
6381 Hydrochloric Acid 3 yr.
6382 EDTA Disodium Salt 2 yr.
6383 Steadifac 2 yr.
6385 Starch Acid 3 yr.
6404 Alkalinity Titration Reagent 3 yr.
6405 Reducing Reagent 2 yr.
6405 Reducing Reagent 2 yr.
6406 Iodine 3 3 yr.
6410 Ferroin Indicator 2 yr.
6411 Nitrite 18 mo.
6412 Titration Reagent 18 mo.
6413 QAC Indicator 2 yr.
6414 QAC Test 2 yr.
6418 Conductivity Std, 6668 umhos/cm 18 mo.
6421 Silver Nitrate 2 yr.
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6434 Hypochlorite 2 yr.
6446 Copper 1 2 yr.
6452 Hydrogen Peroxide 1 2 yr.
6454 Hydrogen Peroxide Tabs 3 yr.
6456 Sulfate Turb 2 yr.
6460 Base Demand 1 yr.
6484 Molybdenum Buffer 2 yr.
6485 Molybden. Oxidizing 18 mo.
6486 Molybdenum Indicator 2 yr.
6495 Control Reagent 3 yr.
6505 Hydrochloric Acid 0.062N 2 yr.
6520 Sulfuric Acid 4 yr.
6521 Potassium Iodide 2 yr.
6522 CM Indicator Reagent 2 yr.
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6537 Ammonium Hydroxide 2 yr.
6565 Sodium Cyanide 3 yr.
6566 Ammonium Persulf. 2 yr.
6613 Copper #2 Reagent 2 yr.
6630 Molybdenum Rgt. 2 yr.
6697 Formaldehyde 1 3 yr.
6698 Formaldehyde 2 2 yr.
6699 Formaldehyde 3 2 yr.
6740 DPD 1A 2 yr.
6741 DPD 1B 1 yr.
6743 DPD 3 2 yr.
6754 Silver Nitrate 1 yr.
6807 DPD 1 Powder 18 mo.
6809 Potassium Iodide 2 yr.
6810 Potassium Iodide 0.5% 2 yr.
6811 Glycine 2 yr.
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6813 Sodium Bicarbonate 2 yr.
6815 Ferrous Ammon. Sulfate 18 mo.
6899 DPD 4R 3 yr.
6903 DPD 1 3 yr.
6904 DPD 2R 3 yr.
6905 DPD 3R 3 yr.
6906 DPD 4 3 yr.
6910 MPS Out 3 yr.
6915 Phenol Red 4 yr.
6915-3box PH, Alk, Hard 3 yr.
6930A   3 yr.
6974 Fluoride A-Z 3 yr.
6975 Fluoride Excess AL 3 yr.
6977 Bromine Tablets 4 yr.
6994 Cyanuric Acid 3 yr.
6995A-H Cyanuric Acid 3 yr.
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6999 DPD 1R 4 yr.
7026 Phenol Red 3 yr.
7027 PH Indicator 2 yr.
7028 Alk 1 Indicator 18 mo.
7030 Hard 2 18 mo.
7031 CaHard Titrant 3 yr.
7037-G Phenol Red 2 yr.
7038-G Total Alkalinity Indicator 1 yr.
7040-G Calcium Hardness 1 1 yr.
7041-G Calcium Hardness 2 6 mo.
7042 Calcium Hardness 1 Buffer 1 yr.
7044A Chloride Tablets 3 yr.
7102 Nitrite 1 2 yr.
7103 Nitrite 2 18 mo.
7114 Glut. Test Powder 2 yr.
7117 EDTA 3 yr.
7118 Barium Chloride 3 yr.
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7119 EDTA 3 yr.
7120 Sulfate Solution 2 yr.
7121 Complex Solution 3 yr.
7122 Buffer 3 yr.
7123 Indicator 3 yr.
7125 Polyquat Titrating 18 mo.
7139 Peroxide Titrant 2 yr.
7140 Acidified Catalyst 2 yr.
7142 Caustic 3 yr.
7166 Alk. Pot. Iodide-Azide 3 yr.
7217 Manganese A 3 yr.
7218 Manganese B 2 yr.
7254 Iodine 1 18 mo.
7255 Iodine 2 2 yr.
7283 Reagent 1 2 yr.
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7284 Reagent 2 2 yr.
7285 Reagent 3 3 yr.
7286 Reagent 5 2 yr.
7287 Reagent 4 2 yr.
7288 Reagent 6 3 yr.
7327 Sulfite A 3 yr.
7328 Sulfite B 18 mo.
7329 Sulfite C 2 yr.
7331 Chromate Reagent 2 2 yr.
7332 Chromate Reagent 3 18 mo.
7336 Chloride Reagent 2B 2 yr
7342 PPK A 2 yr.
7343 PPK B 2 yr.
7344 PPK C 3 yr.
7346 Potassium Bi-Iodate 2 yr.
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7361 Zinc Conditioning 2 yr.
7372 Sulfite Reagent #1 3 yr
7393 Zinc Rgt. 2 yr.
7423 Nitrite Nitrogen A 2 yr.
7424 Nitrite Nitrogen B 3 yr.
7444 Detergent 1 3 yr.
7445 Detergent 3 18 mo.
7456 Peroxide Titrant 2 yr.
7457 Salicylate 2 2 yr.
7458 Salicylate 3 2 yr.
7460 Salinity Indicator A 3 yr.
7461 Salinity Titration B 2 yr.
7520 Standard Turbidity 2 yr.
7586   2 yr.
7607 Amine Indicator 2 yr.
7624 Chloride Reagent 2 2 yr.
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7659 Sulfuric Acid 3 yr.
7660 Ferroin Indicator 2 yr.
7661 Ceric Ammon. Nit. 6 mo.
7681 Sulfuric Acid 3 yr.
7682 Potassium Permanganate 18 mo.
7683 Sodium Azide 3 yr.
7688 Nitrogen Dioxide Reagent 18 mo.
7694 Sulfur Dioxide Reagent 2 2 yr.
7695 Sulfur Dioxide Reagent 3 2 yr.
7727 Sulfide reagent 2 2 yr.
7727 Sulfide Reagent 2 2 yr.
7729 Sulfide Reagent 4 2 yr.
7730 Sulfide Reagent 5 3 yr.
7730 Sulfide Reagent 5 3 yr.
7745 Sodium Hydroxide 3 yr.
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7748 Sulfuric Acid 3 yr.
7756 Silver 1 3 yr.
7757 Silver 2 2 yr.
7758 Silver 3 2 yr.
7797 Nitrite-Nitrogen CR 18 mo.
7825 Aminoantipyrine 2 yr.
7826 Ammonium Hydroxide 3 yr.
7827 Pot. Ferricyanide 2 yr.
7833 Tannin 1 3 yr.
7834 Tannin 2 3 yr.
7837 SDMBT 1 2 yr.
7838 SDMBT Reagent 2 2 yr.
7838 SDMBT Reagent 2 2 yr.
7841 Potassium Sodium 3 yr.
7865 Aluminum Inhibitor 2 yr.
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7866 Aluminum Buffer 2 yr.
7867 Aluminum Indicator 18 mo.
7868 Aluminum Complex. 3 yr.
7885 Sulfuric Acid 3 yr.
7886 Sodium Hydroxide 3 yr.
7886 Sodium Hydroxide 3 yr.
7888 Boiling Stones n/a
7927 Sodium Thiosulfate 0.141N 18 mo.
7939 Hypochlorite A 3 yr.
7940 Hypochlorite B 2 yr.
7941 Hypochlorite C 1 yr.
8215 Acid Titration 3 yr.
8217 Hardness Buffer Reagent 1 yr.
8218 Hardness Indicator Solution 3 yr.
8219 Hardness Titration Solution 3 yr.
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8228 TK-10 Rgt. 3 yr.
8230 Cleaner 1 1 yr.
8233 Cleaner 2 3 yr.
8234 Cleaner 3 3 yr.
9078 Sour Indicator 2 yr.
9258 Inhibitor Solution 18 mo.
NN-3703 Nitrate 2 18 mo.
T-2311 BCG-MR Tablets 3 yr.
V-6277 Sulfate Reagent 3 yr.
V-6281 Color Developing Reagent 2 yr.
WL-3808 Copper Tablets 3 yr.
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Complete List of LaMotte Reagents and How to Determine Reagent Manufacture and Expiration Dates

Click here for Reagent Shelf-Life Chart

Some users of LaMotte test kits are unaware of how to determine the reagent shelf-life, or that length of time when a reagent can, given proper care, produce accurate and reliable results. The incorrect basic guideline used by most seems to be one year from the date of opening. This can lead to both a waste of useful reagents and precious budgeted money. It can also lead to the use of reagents long past their shelf-life because they have only recently been opened.

We manufacture over 2,000 different testing reagents in various sizes. Many are stocked so they can be shipped in a timely manner to our resellers. By the time our resellers receive testing reagents and sell the products to their customers a portion of the shelf-life passes. It is our goal to provide the longest shelf-life possible, but through storage and shipping it is not possible to provide all products during their first weeks of production.

On the lower, left corner of the label of each LaMotte reagent is a six or seven digit number. This is not a code number, but the lot number of that reagent. A lot number records the date of manufacture and identifies the reagent as part of a specific batch of reagent produced on that date. The first two digits of the lot number identify the week, and the third digit identifies the year of manufacture.

For example using the label above: A reagent with a lot number of 257717 was manufactured the 25th week of the year 2007.

Using the Reagent Shelf-Life Chart (below) and using the information provided within the lot number found on the reagent bottle, the expiration date of the reagent can easily be determined. This date of expiration can then be marked on the label or on a data sheet. This will ensure proper planning for ordering refills.

To determine a reagent''s expiration date,

1. Determine the date of manufacture from the reagent bottle as explained above.

2. Find the reagent code number on the top left corner of the reagent label.

3. Look up the code number and see the shelf life which you will add to the manufacture date.

Example: Manufacture date is 25 week of the year 2007. Look up Code 2202 which has a two-year shelf life so the reagent is good until the 25th week of the year 2009.

Reagent Storage Guidelines

Reagents should be stored at 25°C (room temperature) and away from heat, humidity, moisture, direct sunlight and cold conditions. The storage temperature should be kept as constant as possible, without large fluctuations in temperature. Reagents should not be kept refrigerated, unless specified otherwise in the kit instructions or packing literature for the reagents (for example, Coliscan Easygel®). Reagents should not be stored in work vehicles, utility rooms, pool and pump houses or other environments where conditions may be harsh. Exposure to such conditions will compromise the quality and stability of reagents and shorten reagent shelf lives.


Reagent Shelf-Life Chart

2 3 4 5 6 7 8 9 T V WL


Reagent Code #

Description

Shelf Life
2202 Meta Cresol Purple 2 yr.
2208 Bromcresol Purple 2 yr.
2209 Chlorophenol Red 2 yr.
2210 Bromthymol Blue 2 yr.
2211 Phenol Red 2 yr.
2212 Cresol Red 2 yr.
2213 Thymol Blue 2 yr.
2214 Oleo Red B 2 yr.
2215 LaMotte Purple 2 yr.
2217 LaMotte Violet 2 yr.
2218 Wide Range Indicator 2 yr.
2221 Duplex Indicator 2 yr.
2246 Phenolphthalein 3 yr.
2258 Phenolphthalein 3 yr.
2299 Methyl Orange 18 mo.
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2302 Acid Wide Range 2 yr.
2303 Alkaline Wide Range 2 yr.
2304 TRL Phenol Red 2 yr.
2311 BCG-MR Indicator 2 yr.
2311-EG BCG-MR Indicator 18 mo
2776 Acid Phenanthroline 2 yr.
2777 Iron Reducing 2 yr.
2779 Iodide Iodate 2 yr.
2780 T.C. Indicator 3 yr.
2781 T.C. Titrant 2 yr.
2782 Free Chelant Titrant 2 yr.
2783 Hardness 10 3 yr.
2785 Metal Inhibitor 2 yr.
2786 Total Alkalinity 6 mo.
2788 Hardness 2 3 yr.
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2789 Can Solution 2 yr.
2790 Hypochlorite D 2 yr.
2793 Cyanide Indicator 2 yr.
2794 Cyanide CL 18 mo.
2797 Alkalinity Indicator 6 mo
2799 Nitrate 1 3 yr.
2818 Hydrochloric Acid 0.2N 2 yr.
2843 Phosphate Buffer 18 mo.
2850 Cyanide Buffer 18 mo.
2881 PH 7.00 Buffer 18 mo.
2959 pH Test Paper 3 yr.
2981 Insta-Test Low Range Hardness test strips 2.5 yr.
3016 Formaldehyde 3 yr.
3483 Zinc Acetate 3 yr.
3703 Nitrate 2 18 mo.
3756 Calcium Chloride 3 yr.
3760 Ferric Chloride 18 mo.
3761 Magnesium Sulfate 3 yr.
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3771 Buffer Solution, pH 4.01 18 mo.
3772 Buffer Solution, pH 7.0 18 mo.
3819 Sodium Thiosulfate 18 mo.
3824 Silver Nitrate 2 yr.
3825 Potassium PTB Solution 18 mo.
3850 Potassium Iodide 5% 2 yr.
3869 Alkalinity Indicator 2 2 yr.
3870 Alkalinity Indicator 1 3 yr.
3875 Acid Zirconyl Spadns 6 mo.
3881 Nitrate 3 yr.
3885 Cloride 18 mo.
3886 Nitrite 3 yr.
3920-4box pH, Alk, Hard, CYA 3 yr.
3921 TEA Reagent 2 yr.
3922 Calcium/Magnesium Inhibitor 3 yr.
3929 Fluoride Inhibitor 2 yr.
3943 Aluminum 1 2 yr.
3944 Aluminum 2 3 yr.
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3945 Lead C 2 yr.
3946 Lead Indicator 3 yr.
3951 Lead A 3 yr.
3956 Manganese Indicator 18 mo.
3962 Molybdate 1 HR 3 yr.
3963 Molybdate 2 HR 3 yr.
3964 Chrome Azurol S 2 yr.
3965 Thorium Nitrate 2 yr.
3978 Salicylate Ammon. 1 3 yr.
3979 Salicylate Ammon. 2 3 yr.
3982 Salicylate Ammon. 3 18 mo.
3986 Bleach Solution A 2 yr.
3987 Bleach Solution B 1 yr.
3989 Indigo Blue Solution 6 mo.
3990 Chlorine Inhibitor 2 yr.
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3991 Ozone Buffer 18 mo.
3992 Chlorine/Bromine 18 mo.
3995 Toluidine Blue O 2 yr.
3996 Quat Titrating 18 mo.
3997 MO Buffer 18 mo.
3998 Denatured Alcohol 2 yr.
3999 MO Titrant 2 yr.
4001 Carbazone n/a
4004 Sodium Hydroxide 2 yr.
4015 Alkalinity Titration Solution 2 yr.
4020 Buffered Ammonia Reagent 1 yr.
4021 PAN Indicator 1yr.
4022 Stablizing Reagent 1 yr.
4032 Ammonium Chloride Buffer 1 yr.
4033 PAR Indicator 1 yr.
4034 DDC Reagent 2 yr.
4035 Phosphorus 2 yr.
4036 Digestion 2 yr.
4037 Total Phosphorus HR Hydroxide 2 yr.
4038 Total Phosphorus LR Hydroxide 2 yr.
4039 Total Phosphorus HR Indicator 2 yr.
4040 Total Nitrogen Hydroxide 2 yr.
4041 Total Nitrogen A\\ 2 yr.
4042 Total Nitrogen B 2 yr.
4043 Total Nitrogen Acid 2 yr.
4054 Arsenic 2 yr.
4055 Arsenic 2 yr.
4056 Arsenic 2 yr.
4069 Chloride A 3 yr.
4070 Chloride B 2 yr.
4100 O-Tolidine 3 yr.
4128 Sodium Arsenite 3 yr.
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4133 DSP Buffer 18 mo.
4134 PSSA Reagent 5% 18 mo.
4135 Borate Buffer 2 yr.
4167 Mang. Sulfate 3 yr.
4169 Sodium Thiosulfate 18 mo.
4170 Starch Indicator 18 mo.
4250 Chlorine Test Papers 2 yr.
4253 Carbon Dioxide B 3 yr.
4255 Hardness Buffer 3 yr.
4257 Hardness Titration 3 yr.
4259 Sodium Hydroxide 3 yr.
4313 Cyanuric Acid UDV 2 yr.
4314 Copper UDV 2 yr.
4315 Iron UDV 2 yr.
4410 VM Phosphate 3 yr.
4427 Lead Dithizone 18 mo.
4431 Chromate Indicator 2 yr.
4450 Iron 1 3 yr.
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4451 Iron 2 2 yr.
4458 Sulfide A 2 yr.
4459 Sulfide B 2 yr.
4460 Sulfide C 3 yr.
4466 Silica 1 3 yr.
4467 Silica 2 2 yr.
4468 Silica 3 3 yr.
4475 Nitrite Reagent A 2 yr.
4483 Hardness 5 1 yr.
4484 Hardness 6 2 yr.
4485 Hardness 6 3 yr.
4487 Hardness Titrant 3 yr.
4493 Alk Titrant 2 yr.
4498 Chlorine 1 18 mo.
4499 Chlorine 2 2 yr.
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4500 Chlorine 3 2 yr.
4504 Chloride Reagent #1 3 yr.
4505 Chloride 2 2 yr.
4508 DS Indicator 18 mo.
4509 pH Adjustment Powder 2 yr.
4513 DS Reference 18 mo.
4542 Precip A 3 yr.
4543 Precip B 2 yr.
4566 QTC Cond 3 yr.
4571 Silica 1 3 yr.
4573 Sulfite Reagent 3 2 yr.
4606 Phosphate A 2 yr.
4607 Phosphate B/C 6 yr.
4633 Sulfide Test 1 2 yr.
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4634 Sulfide Test 2 3 yr.
4635 Sulfide Test 3 2 yr.
4636 Sulfide Test 4 3 yr.
4637 Sulfide Test 5 2 yr.
4638 Sulfide Test 6 2 yr.
4639 Sulfide Test 7 2 yr.
4640 Sulfide Test 8 3 yr.
4697 Hydrochloric Acid 20% 3 yr.
4767 Soap 4 3 yr.
4791 DEHA 1 1 yr.
4792 DEHA 2 1 yr.
4793 DEHA 3 1 yr.
4797 Ammonia Nitro. 1 3 yr.
4798 Ammonia Nitro. 2 2 yr.
4802 TDS A 1 yr.
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4803 TDS B 3 yr.
4804 Cation Exchange n/a
4841 Hydrazine A 3 yr.
4842 Reagent B 2 yr.
4852 Cobalt Buffer 1 yr.
4853 Cobalt Indicator 18 mo.
4854 Stabilizer Solution 2 yr.
4856 Cyanuric Acid Rgt. 3 yr.
4862 TMK 2 yr.
4863 Propyl Alcohol 2 yr.
4864 Acetate Buffer 2 yr.
4869 Boron Buffer 2 yr.
4870 Boron Indicator Powder 6 mo.
4877 Sodium Chloride 2 yr.
4921 Bromine Reagent O-T-O 3 yr.
5101 Aluminum Test Solution 18 mo.
5101 Aluminum Test Solution 18 mo.
5103 Ammonia Nitrogen Soln1 2 yr.
5103 Ammonia Nitrogen Test Soln 2 yr.
5108 Calcium Test Solution 3 yr.
5111 Chloride Test Solution 2 yr.
5115 Deionized Water 5 yr.
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5116 Ferric Iron Test Solution 2 yr.
5119 Humus Screening Powder 2 yr.
5125 Calcium Magnesium Buffer 3 yr.
5126 Ca & Mg Buffer 3 yr.
5128 Formaldehyde 2 yr.
5140 Magnesium Test Solution 2 yr.
5143 Soil Flocculating Reagent 3 yr.
5145 Magnesium & Manganese Soln 3 yr.
5145 Magnesium & Manganese Soln 2 3 yr.
5146 Nitrate Reagent 1 2 yr.
5147 Nitrate Reagent 2 Powder 2 yr.
5151 Nitrite Nitrogen Test Reagent 1 2 yr.
5152 Nitrite Nitrogen Test Reagent 2 3 yr.
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5153 Nitrite Nitrogen Reagent 3 3 yr.
5156 Phosphorus Reagent 2 2 yr.
5157 Phosphorus Reagent 3 Tablets 3 yr.
5161 Potassium Reagent B Tablets 3 yr.
5162 Potassium Reagent C 2 yr.
5168 Sodium Hydroxide 2 yr.
5171 Sulfate Test Solution 3 yr.
5172 Sulfuric Acid 2 yr.
5173 Universal Extracting Solution 3 yr.
5174 Sodium Hydroxide Sol0.2N 3 yr.
5175 Distilled Water 2 yr.
5223 Zinc Reagent 4 3 yr.
5224 Zinc Reagent 5 3 yr.
5225 Zinc Reagent 6 3 yr.
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5250 Calcium Hardness 3 yr.
5254 Standard EDTA Reagent 3 yr.
5254 Standard EDTA Reagent 3 yr.
5267 Copper Test Solution 3 yr.
5275 Iron Reagent Powder 2 yr.
5275 Iron Reagent Powder 2 yr.
5635 Hardness Buffer Reagent 1 yr.
5636 Hardness Indicator Reagent 3 yr.
5637 Hardness Titration Reagent 3 yr.
5638 Charcoal Suspension 3 yr.
5638 Charcoal Suspension 3 yr.
5643 Soil Flocculating Reagent 3 yr.
5648 Sodium Hydroxide 3 yr.
5649 Hydrochloric Acid 3 yr.
5650L Hydrogen Peroxide 2 yr.
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5701 pH Indicator 2 2 yr.
5702 Nitrogen Extracting Solution 3 yr.
5703 Nitrogen Indicator Powder 2 yr.
5704 Phosphorus Extracting Solution 3 yr.
5705 Phosphorus Indicator Reagent 2 yr.
5706 Phosphorus Test Tablets 3 yr.
5707 Potassium Extracting Solution 3 yr.
5708 Potassium Indicator Tablets 2 yr.
5709 Potassium Test Solution 2 yr.
5941 Tricon Flucculating Reagent 3 yr.
6004 Calibration Standard 1.5 yr.
6025 Hydrochloric Acid 3 yr.
6037 Detergent 2 2 yr.
6058 STD Color 3 yr.
6065 Sodium Hydroxide 0.0227N 3 yr.
6068 Acid Demand 2 yr.
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6073 Barium Chloride 2 yr.
6090 Sulfuric Acid 3 yr.
6091 Hydrogen Peroxide 2 yr.
6102 Alkalinity Titrant 2 yr.
6111 Alk Titrant 3 yr.
6115 Hydrochloric Acid 3 yr.
6117 Barium Chloride 3 yr.
6130 Hydrochloric Acid 3 yr.
6133 Isopropanol 2 yr.
6139 Sulfuric Acid 1.0N 3 yr.
6141 Sulfuric Acid 3 yr.
6155 Sodium Thiosulfate 2 yr.
6158 Thorium Nitrate 2 yr.
6159 SCH-Conditioning Reagent 3 yr
6165 Xylenol Orange 2 yr.
6195 Formazin 1.5 yr.
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6197 DPD 3 3 yr.
6203 Chloroform 2 yr.
6241 Nitrite Reagent C Powder 18 mo
6248 Sodium Hydroxide 3 yr.
6250 Potassium Iodide Iodate 2 yr.
6251 Hydrochloric Acid 3 yr.
6253 Sodium Citrate 3 yr.
6254 Dimethylglyoxime 2 yr.
6261 Hardness Titration Reagent 3 yr.
6267 Dechlorinating 2 yr.
6276 Chromium Rgt. 3 yr.
6277 Sulfate Rgt. 3 yr.
6278 Mixed Acid 3 yr.
6279 Nitrate Reducing 1 yr.
6281 Color Developing 2 yr.
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6282 Phosphate Acid 1 yr.
6283 Phosphate Reducing 2 yr.
6284 Silica 4 2 yr.
6286 Sulfamic Acid 2 yr.
6289 Sulfuric Acid 3 yr.
6290 Sulfuric Acid 3 yr.
6303 Nitric Acid Solution 3 yr.
6310 Manganese Buffer Reagent 2 yr.
6311 Manganese Periodate Reagent 2 yr.
6314 Zinc Indicator 18 mo.
6315 Zinc Buffer 2 yr.
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6316 Sodium Ascorbate 2 yr.
6319 Methyl Alcohol 2 yr.
6323 Hydrochloric Acid 3 yr.
6324 Hydrochloric Acid 0.02N 2 yr.
6346 Silver Nitrate 2 yr.
6352 Potassium Chromate 5% 3 yr.
6361 Acid Extracting Solution 3 yr.
6362 Special NF Phosphate Ext Soln 3 yr.
6363 Sulfate Extract Solution 1 yr.
6364 Tetraphenylboron 2 yr.
6367 Copper A 2 yr.
6368 Copper B 2 yr.
6376 SDMBT 2R 2 yr.
6377 Iodine Solution 0.025n 6 mo.
6378 Morpholine Indicator 2 yr.
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6381 Hydrochloric Acid 3 yr.
6381 Hydrochloric Acid 3 yr.
6382 EDTA Disodium Salt 2 yr.
6383 Steadifac 2 yr.
6385 Starch Acid 3 yr.
6404 Alkalinity Titration Reagent 3 yr.
6405 Reducing Reagent 2 yr.
6405 Reducing Reagent 2 yr.
6406 Iodine 3 3 yr.
6410 Ferroin Indicator 2 yr.
6411 Nitrite 18 mo.
6412 Titration Reagent 18 mo.
6413 QAC Indicator 2 yr.
6414 QAC Test 2 yr.
6421 Silver Nitrate 2 yr.
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6434 Hypochlorite 2 yr.
6446 Copper 1 2 yr.
6452 Hydrogen Peroxide 1 2 yr.
6454 Hydrogen Peroxide Tabs 3 yr.
6456 Sulfate Turb 2 yr.
6460 Base Demand 1 yr.
6484 Molybdenum Buffer 2 yr.
6485 Molybden. Oxidizing 18 mo.
6486 Molybdenum Indicator 2 yr.
6495 Control Reagent 3 yr.
6505 Hydrochloric Acid 0.062N 2 yr.
6520 Sulfuric Acid 4 yr.
6521 Potassium Iodide 2 yr.
6522 CM Indicator Reagent 2 yr.
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6537 Ammonium Hydroxide 2 yr.
6565 Sodium Cyanide 3 yr.
6566 Ammonium Persulf. 2 yr.
6613 Copper #2 Reagent 2 yr.
6630 Molybdenum Rgt. 2 yr.
6697 Formaldehyde 1 3 yr.
6698 Formaldehyde 2 2 yr.
6699 Formaldehyde 3 2 yr.
6740 DPD 1A 2 yr.
6741 DPD 1B 1 yr.
6743 DPD 3 2 yr.
6807 DPD 1 Powder 18 mo.
6809 Potassium Iodide 2 yr.
6810 Potassium Iodide 0.5% 2 yr.
6811 Glycine 2 yr.
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6813 Sodium Bicarbonate 2 yr.
6815 Ferrous Ammon. Sulfate 18 mo.
6899 DPD 4R 3 yr.
6903 DPD 1 3 yr.
6904 DPD 2R 3 yr.
6905 DPD 3R 3 yr.
6906 DPD 4 3 yr.
6915 Phenol Red 4 yr.
6915-3box PH, Alk, Hard 3 yr.
6974 Fluoride A-Z 3 yr.
6975 Fluoride Excess AL 3 yr.
6977 Bromine Tablets 4 yr.
6994 Cyanuric Acid 3 yr.
6995A-H Cyanuric Acid 3 yr.
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6999 DPD 1R 4 yr.
7026 Phenol Red 3 yr.
7027 PH Indicator 2 yr.
7028 Alk 1 Indicator 18 mo.
7030 Hard 2 18 mo.
7031 CaHard Titrant 3 yr.
7037-G Phenol Red 2 yr.
7038-G Total Alkalinity Indicator 1 yr.
7040-G Calcium Hardness 1 1 yr.
7041-G Calcium Hardness 2 6 mo.
7042 Calcium Hardness 1 Buffer 1 yr.
7102 Nitrite 1 2 yr.
7103 Nitrite 2 18 mo.
7114 Glut. Test Powder 2 yr.
7117 EDTA 3 yr.
7118 Barium Chloride 3 yr.
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7119 EDTA 3 yr.
7120 Sulfate Solution 2 yr.
7121 Complex Solution 3 yr.
7122 Buffer 3 yr.
7123 Indicator 3 yr.
7125 Polyquat Titrating 18 mo.
7139 Peroxide Titrant 2 yr.
7140 Acidified Catalyst 2 yr.
7142 Caustic 3 yr.
7166 Alk. Pot. Iodide-Azide 3 yr.
7217 Manganese A 3 yr.
7218 Manganese B 2 yr.
7254 Iodine 1 18 mo.
7255 Iodine 2 2 yr.
7283 Reagent 1 2 yr.
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7284 Reagent 2 2 yr.
7285 Reagent 3 3 yr.
7286 Reagent 5 2 yr.
7287 Reagent 4 2 yr.
7288 Reagent 6 3 yr.
7327 Sulfite A 3 yr.
7328 Sulfite B 18 mo.
7329 Sulfite C 2 yr.
7331 Chromate Reagent 2 2 yr.
7332 Chromate Reagent 3 18 mo.
7336 Chloride Reagent 2B 2 yr
7342 PPK A 2 yr.
7343 PPK B 2 yr.
7344 PPK C 3 yr.
7346 Potassium Bi-Iodate 2 yr.
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7361 Zinc Conditioning 2 yr.
7372 Sulfite Reagent #1 3 yr
7393 Zinc Rgt. 2 yr.
7423 Nitrite Nitrogen A 2 yr.
7424 Nitrite Nitrogen B 3 yr.
7444 Detergent 1 3 yr.
7445 Detergent 3 18 mo.
7456 Peroxide Titrant 2 yr.
7457 Salicylate 2 2 yr.
7458 Salicylate 3 2 yr.
7460 Salinity Indicator A 3 yr.
7461 Salinity Titration B 2 yr.
7520 Standard Turbidity 2 yr.
7607 Amine Indicator 2 yr.
7624 Chloride Reagent 2 2 yr.
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7659 Sulfuric Acid 3 yr.
7660 Ferroin Indicator 2 yr.
7661 Ceric Ammon. Nit. 6 mo.
7681 Sulfuric Acid 3 yr.
7682 Potassium Permanganate 18 mo.
7683 Sodium Azide 3 yr.
7688 Nitrogen Dioxide Reagent 18 mo.
7694 Sulfur Dioxide Reagent 2 2 yr.
7695 Sulfur Dioxide Reagent 3 2 yr.
7727 Sulfide reagent 2 2 yr.
7727 Sulfide Reagent 2 2 yr.
7729 Sulfide Reagent 4 2 yr.
7730 Sulfide Reagent 5 3 yr.
7730 Sulfide Reagent 5 3 yr.
7745 Sodium Hydroxide 3 yr.
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7748 Sulfuric Acid 3 yr.
7756 Silver 1 3 yr.
7757 Silver 2 2 yr.
7758 Silver 3 2 yr.
7797 Nitrite-Nitrogen CR 18 mo.
7825 Aminoantipyrine 2 yr.
7826 Ammonium Hydroxide 3 yr.
7827 Pot. Ferricyanide 2 yr.
7833 Tannin 1 3 yr.
7834 Tannin 2 3 yr.
7837 SDMBT 1 2 yr.
7838 SDMBT Reagent 2 2 yr.
7838 SDMBT Reagent 2 2 yr.
7841 Potassium Sodium 3 yr.
7865 Aluminum Inhibitor 2 yr.
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7866 Aluminum Buffer 2 yr.
7867 Aluminum Indicator 18 mo.
7868 Aluminum Complex. 3 yr.
7885 Sulfuric Acid 3 yr.
7886 Sodium Hydroxide 3 yr.
7886 Sodium Hydroxide 3 yr.
7888 Boiling Stones n/a
7927 Sodium Thiosulfate 0.141N 18 mo.
7939 Hypochlorite A 3 yr.
7940 Hypochlorite B 2 yr.
7941 Hypochlorite C 1 yr.
8215 Acid Titration 3 yr.
8217 Hardness Buffer Reagent 1 yr.
8218 Hardness Indicator Solution 3 yr.
8219 Hardness Titration Solution 3 yr.
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8228 TK-10 Rgt. 3 yr.
8230 Cleaner 1 1 yr.
8233 Cleaner 2 3 yr.
8234 Cleaner 3 3 yr.
9078 Sour Indicator 2 yr.
9258 Inhibitor Solution 18 mo.
NN-3703 Nitrate 2 18 mo.
T-2311 BCG-MR Tablets 3 yr.
V-6277 Sulfate Reagent 3 yr.
V-6281 Color Developing Reagent 2 yr.
WL-3808 Copper Tablets 3 yr.
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