Reagents for the photometric determination of nitrate in the range of up to 30.0 mg / L. Cadmium reduction method.
The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.
All Product
Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
All Product
Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
All Product
Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU
All Product
Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm
All Product
Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution
All Product
Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
All Product
Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
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HI701 Checker HC ® - Free Chlorine 
HI3835 CTK Salinity 
HI726 Checker HC ® - Nickel, HR 
