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Free & Total Chlorine Test Kit, Model CN-66 with Color Disc Method -
Quickly and accurately measure free and total chlorine levels in the field or in the lab -
Many Hach chlorine tests have been accepted by the U.S. EPA for reporting purposes. Verify acceptance with your local regulatory agency. Uses powder DPD reagent that reacts with chlorine more quickly than tablet-form DPD, giving more accurate results. Powder DPD also has a considerable advantage over orthotolidine, a hazardous substance sometimes used as a chlorine test reagent. Chlorine Test Kits are manufactured by Hach to ensure compliance with stringent quality control standards.
About chlorine:
The most widely used disinfectant for drinking water, chlorine is also important for sanitizing swimming pools, cooling towers, other industrial equipment, and in the treatment of municipal wastewater. Its measurement and control are vital for both safety and economic reasons. | Method / Chemistry | Range (mg/L) | Smallest Increment (mg/L) | Approx. Number of Tests | Case Style | | Color Disc / DPD | 0-3.5 | 0.1 | 50 free + 50 total | 8.3x2.6x5.75 inches Blue Polypropylene Carrying Case |
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 Parameter/Range/Reagent Information
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