Chemetrics I-2019, Photometer Single Analyte Meter (SAM) Kit

SAMs (Single Analyte Meters): Value and Convenience Includes: Plastic case Contains everything needed to perform 30 tests: Refill, Low and High Range Comparators 25 mL sample cup Instructions Methods Ozone is a strong oxidizing agent and is used as an alternative to chlorine as a biocide in the disinfection of drinking water. Ozone is used to remove odor, decol- orize, and to control algae and other aquatic growths. Ozone is also used in various disinfectant and sterilization processes in the food & beverage andpharmaceutical industries. The DPD Method References: USEPA Methods for Chemical Analysis of Water and Wastes, Method 330.5 (1983). APHA Standard Methods, 22nd ed.( Method 4500-CI G-2000. Potassium iodide is added to the sample before analysis. Ozone reacts with the iodide to liberate iodine. The iodine reacts with DPD (N, N-diethyl-p-phenylenediamine) to form a pink color. Results are expressed as ppm (mg/L) 03.