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.
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Chemischer Testkit zur Bestimmung von Ca & Mg in Boden im Bereich > 0,0 meq/100 g. Packungsgröse: 100 Tests
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Test kit for the chemical determination of cyanide in the range 0 to 0.30 mg / l (ppm). Package size: 100 Tests
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Chemischer Testkit zur Bestimmung von Alkalinität, Brom, Chlor, pH Packungsgröse: 110/60/50 Tests
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Chemischer Testkit zur Bestimmung von Hydrazin im Bereich 0 bis 1,0 mg/l. Packungsgröse: 100 Tests
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Chemical test kit for the determination of phosphorus in the range from 0.0 to 130.0 ground mg / l (ppm). 100 Tests
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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.
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Chemical test kit for the determination of iron in the range 0.00-1,00 mg / l (ppm). Package size: 100 Tests
081-855-1842
02-541-4199
เครื่องวัดสีในน้ำตัวอย่าง HI727 
เครื่องวัดปริมาณฟอสเฟต ช่วงต่ำ รุ่น HI713 
เครื่องวัดปริมาณโบรมีน ในตัวอย่างน้ำ รุ่น HI716 
