Reagents for HI 701 (Free Chlorine), 25 Tests
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The HI 761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.
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The HI 771 Checker®HC is a simple, accurate, and cost effective way to measure ultra-high ranges of chlorine. Designed as a more accurate alternative to chemical test kits, the HI 771 provides quick, accurate results in four easy steps.
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Range 0:00 to 7:00 g / L | Photometric Method | Resolution 0.01g / L
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Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU
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Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
Photometers
Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
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The HI 764 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 Checker®HC, press the button and read the results. It’s that easy.
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Range 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm
081-855-1842
02-541-4199
HI706 Checker HC ® - Phosphorous, HR 
HI715 Checker HC ® - Ammonia, MR 
