Reagents for the photometric determination of iron in the range to 5.00 mg / L. Phenanthroline method.
All Product
Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU
All Product
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
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 7:00 g / L | Photometric Method | Resolution 0.01g / L
All Product
Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
All Product
Reagents for HI 755 Checker HC ®, 25 Tests
All Product
Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
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
น้ำยามาตรฐานสอบเทียบ 
HI96831 Digital Refractometer for Ethylene Glycol Analysis 
HI755 Checker HC ® - MARINE Alkalinity (dHK) 
