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Reagents for the photometric determination of dissolved oxygen in the range 10:00 to mg / L. Winkler method.
| Weight | 0.000 kg |
|---|
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Reagents for HI 755 Checker HC ®, 25 Tests
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Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
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Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
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Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution
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Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
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The HI 771 Checker®HC is a simple, accurate, and cost effective way to measure ultra-high ranges of chlorine. Designed as a more accurate alternative to chemical test kits, the HI 771 provides quick, accurate results in four easy steps.
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Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm