Copied CHEMets Bromine for DPD Method, Kit
CHEMets Bromine for DPD Method, Kit
Chemetrics, K-1605, CHEMets 0-2.2ppm x 0-11ppm Bromine for DPD Method, KitFeatures:Range: 0-2.2 x 0-11 ppmMethod: DPD.Analysis Time: 1 minute.MDL: 0.125 ppm.Kit comes in a plastic case and contains everything needed to perform 30 tests: Refill, Low and High Range Comparators, Activator Solution, 25 mL sample cup and instructions.Method: Bromine, a less volatile compound than chlorine, is used as a sanitizing agent in drinking water systems, swimming pools and spas.The DPD Method: References: USEPA Methods for Chemical Analysis of Water and Wastes, Method 330.5 (1983). APHA Standard Methods, 22nd ed., Method 4500-Cl G -2000. The bromine test method employs the DPD chemistry. Potassium iodide is added to the sample before analysis. Bromine reacts with the iodide to liberate iodine. The iodine reacts with DPD (N, N-diethyl-pphenylenediamine) to form a pink color. Results are expressed in ppm (mg/L) bromine as Br2.
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