Specific to your treatment and monitoring needs. Each individual kit is furnished in a compact carrying case with all labware, accessories, and reagents needed to perform the test. Step-by-step instructions included. A Reagent Refill Package may be ordered by prefixing "R-" to the code number of the kit.
(NH) = Non-Hazardous Material - No Fees (N) = Small Qty. Hazardous Material - No Fees (HA) = Hazardous Material - Air Fees Only (B) = Hazardous Material - Air & Ground Fees
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Test Factor
Code
Test Method
Range/Sensitivity
# Tests
Ship Code (wgt/lbs)
Alkalinity*
Kits use titrations with standard acid to the phenolphthalein (P) and/or total (T) alkalinity endpoint.
The procedure detects inorganic As+3 and As+5 by converting these to arsine gas, which produces a yellow to brown color on the test strip. The strip is then compared to color standards to determine the arsenic concentration.
LaMotte distributes the BART (Biological Activity Reaction Tests) line of kits for various microbiological analyses. Results are obtained by observation after 2-8 days of room temperature incubation. Please contact us for more information.
Free, combined, and total chlorine may be determined using DPD with either colorimetric or titrimetric methods. These determinations are generally limited to concentrations of 0-10 ppm, although the FAS titration can test higher concentrations with the addition of more DPD indicator.
Higher concentrations of chlorine require the iodometric titration, whereby the sample is acidified and iodide is added, which is oxidized by chlorine to iodine and is titrated with a standard thiosulfate solution.
Five tubes, each containing a nutrient tablet, are reacted, stored at room temperature for 48 hours and examined for color change and gas formation. The number of positive tubes may be correlated to a MPN.
EDTA titration is used for all hardness determinations with a red to blue endpoint. Total hardness buffers include inhibitors to eliminate metal interferences. All results are as CaCO3; some kits also express results as gpg. The -LT suffix indicates a liquid buffer and tablet indicator.
Bipyridyl is a ferrous iron indicator that tests total iron after any ferric iron is reduced to ferrous in the sample. Ferrous and ferric may be tested separately by eliminating the reduction step, or using Kit 3347
DPD reacts with ozone, but any other oxidizers will interfere. The indigo trisulfonate method includes a step to eliminate chlorine interference. Bromine will interfere.
(NH) = Non-Hazardous Material - No Fees (N) = Small Qty. Hazardous Material - No Fees (HA) = Hazardous Material - Air Fees Only (B) = Hazardous Material - Air & Ground Fees
Direct Reading Titrators have a specific range, but may be refilled to test higher concentrations.