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Calibration checking set for Checker®HC HI 764 Nitrite Ultra Low Range.
(0 and 100 ppb nitrite)
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Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
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Reagents for HI 755 Checker HC ®, 25 Tests
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Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
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Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
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Range 0 - 20 ppm | ESPA 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 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm