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Reagents for HI 708 Checker HC ®, 25 Tests
| Weight | 0.000 kg |
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฿3,103.00
Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
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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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Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
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฿3,103.00
Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution
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฿3,103.00
Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
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฿3,103.00
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
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฿3,103.00
Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
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฿3,104.07
Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm