Calibration Standard for HI 717 Checker HC ®
Calibration Standard HI 717 Checker HC ®
฿802.50
Calibration Standard for HI 717 Checker HC ®
Out of stock
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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.