HI731325W – Cap for Cuvette, 4 pcs. – Serie HI832xx – New Version
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Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
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Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
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.
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Range: 0 to 300 ppb. The HI 749 Checker®HC is a simple, accurate, and cost effective way to measure low ranges of chromium VI in fresh water. Designed as a more accurate alternative to chemical test kits, the HI 749 provides quick, accurate results in four easy steps. The HI 749 uses an adaptation of the ASTM Manual of Water and Environmental Technology, D1687-92, Diphenylcarbohydrazide method. The reaction between chromium VI and the reagent causes a purple tint in the sample.
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Reagents for HI 755 Checker HC ®, 25 Tests
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Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
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Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
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Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
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HI717 Checker HC ® - Phosphate, HR 
เครื่องวัดปริมาณซิลิกา ช่วงต่ำ ในตัวอย่างน้ำ รุ่น HI705 
HI711 Checker HC ® - Total Chlorine 
