Nitrate is reduced to nitrite in the presence of cadmium. The nitrite thus produced reacts with the reagent to yield an orange compound. The amount of color developed is proportional to the concentration of nitrate present in the aqueous sample.
All Product
Chemical test kit for the determination of nitrate in water in the range 0-50mg / l (ppm). Package size: 100 Tests
All Product
The HANNA test kit for ozone determines the ozone concentration in water via checker disc. The reaction between ozone and the reagent causes a pink tint in the sample which is proportional to the ozone concentration.
Chemical test kits
Chemical test kit for the determination of pH in the range 4-10pH. Package size: 300 tests
Chemical test kit for the determination of phosphate in the range 0:00 to 1:00 mg / / 0.0-5.0 mg / L / 0-50 mg / L (ppm).
Test kit for the chemical determination of silicate in the range 0-1 mg / l (ppm). 100 Tests
Test kit for the chemical determination of silicate in the range 0-40mg / l / 0 800 mg / l (ppm). 100 Tests
HI1005 - pH Electrode, Flow-thru Monitoring for PCA
Calibration Standard HI 701 Checker HC ®
HI4013-03 ISE 1000 mg/L (ppm) Nitrate Std , 500 ml Bottle
HI1297D - pH/ORP-Electrode
HI73127 Spare-pH-Electrode for Tester
HI2020 edge™ - pH Meter
HI7074L - RfE - Anorganische Substanzen - 500ml
Reinigungsmittel anionisch - Reagenzien-Kit - 100 Tests
HI981402 pH-Indicator with LED-Alarm & Electrode PRONTO
HI62911D - pH/°C Electrode
HI7021L - 240mV ORP Test Solution - 500ml
HI716 Checker HC ® - Bromine
HI93703-0 AMCO-AEPA-1 Calibration Solution at 0 FTU, 30 ml
CTK Chlor Frei
HI6007-01 - 7.010 pH@25°C - MQ - 1000ml
HI1143B - Electrode (Fluoride Application)
HI38054 CTK Ozone