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HI771 Checker HC ® - Chlorine, Ultra-High Range
3 × ฿3,103.00 -
×
HI716 Checker HC ® - Bromine
1 × ฿3,103.00
Subtotal: ฿12,412.00
Calibration Standard for HI 726 Checker HC ®
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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.