Reagents for the photometric determination of silicate in the range up to 200 mg / L.
All Product
Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
All Product
Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
All Product
Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
All Product
Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
All Product
Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
All Product
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.
All Product
Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
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.
081-855-1842
02-541-4199
HI739 Checker HC ® - Fluoride. HR 
HI736 Checker HC ® - Phosphorous, ULR 
