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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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Chemical test kit for the determination of free and total chlorine in 0.0-0.70/0.0-3.5 mg / l (ppm).
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Chemical test kit for the determination of free and total chlorine in the range 0.0-0.70/0.0-3.5/0.0-10.0 mg / l (ppm). 200 tests
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Chemical test kit for the determination of potassium in the soil in the range 0 to 50 mg / l (ppm) and 50 to 250 mg / l (ppm). 100 Tests
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Chemischer Testkit zur Bestimmung von Iod im Bereich 0 bis 2,5 mg/l (ppm). Packungsgröse: 50 Tests
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Chemischer Testkit zur Bestimmung von Ca & Mg in Boden im Bereich > 0,0 meq/100 g. Packungsgröse: 100 Tests
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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Chemical test kit for the determination of calcium and magnesium hardness of irrigation water in the range> 0.0 meq / l
081-855-1842
02-541-4199
เครื่องควบคุมค่าความนำไฟฟ้า 
เซ็นเซอร์วัดออกซิเจนในน้ำสำหรับ HI9829 มัลติพารามิเตอร์ 
HI38058 CTK pH 
