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Nitrate Nitrogen (Individual Test Kits) |
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Nitrate Nitrogen: The nitrate is reduced to nitrite by cadmium or zinc and this undergoes diazotization/coupling to form a pink color. All kits below use cadmium except #3354, which uses zinc and which also contains a reagent that eliminates nitrite interference. Kit #3519 tests both nitrate and nitrite. The kit #3119 uses one comparator that contains both nitrate and phosphate standards. The phosphate method in kit #3119 is an ascorbic acid reduction. |
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Order Code/Model |
Test System |
Range/Sensitivity |
# of Tests
|
Shipping Code (Weight/lbs) |
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3319 |
Cadmium Reduction |
0.25, 0.5, 1.0, 2.0, 4.0, 6.0, 8.0, 10.0 ppm NO3––N |
40 (2) |
N (2) |
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3119 |
Cadmium Reduction Nitrate/Phosphate Octet Comparator with Axial Reader |
0.2, 0.4, 0.6, 1.0 ppm NO3––N; |
Nitrate: 40 (2) |
HA (2) |
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3615 |
Cadmium Reduction Octet Comparator with Axial Reader |
0, 0.2, 0.4, 0.6, 0.8, 1.0 ppm NO3––N | 50 (2) | N (2) |
|
3519 |
Cadmium Reduction Octet Comparator |
0.25, 0.5, 1.0, 2.0, 4.0, 6.0, 8.0, 10.0 ppm NO3––N | 40 (3) | NH (1) |
| 3354 | Zinc Reduction Octa-Slide |
0, 1, 2, 4, 6, 8, 10, 15 ppm NO3––N | 50 (2) | NH (2) |
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3677-01 |
Cadmium Reduction Colorimeter | 0–3.0 ppm/0.05 ppm NO3––N | 50 (2) | N (7) |
*(NPDWR) EPA Accepted
?(NPDES) EPA Accepted
Direct Reading Titrators have a specific range, but may be refilled to test higher concentrations.
LaMotte CompanyP.O. Box 329 | 802 Washington Avenue | Chestertown | Maryland | 21620 |
