Reagents for HI 758 Checker HC ®, 25 Tests
| Weight | 0.000 kg |
|---|
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Range 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm
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 - 20 ppm | ESPA method | Resolution 0.1ppm
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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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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.
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Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
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Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
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Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
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เครื่องวัดปริมาณแอมโมเนีย ช่วงสูง รุ่น HI733 
HI708 Checker HC ® - Nitrite, HR 
HI9829 Multiparameter pH/ISE/EC/DO/Turbidity Waterproof Meter with GPS option 
