Reagent for the photometric determination of chlorine dioxide in the field until 2:00 mg / L. Chlorophenol Red method.
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Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm
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Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
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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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Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
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Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution
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Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
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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 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU
081-855-1842
02-541-4199
สารละลายมาตรฐานความขุ่น 20 NTU 
HI711 Checker HC ® - Total Chlorine 
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