HANNA HI711-25 Total Chlorine Checker® Reagents (25 Tests)
不含增值税
258,681 VND
含增值税
279,375 VND
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Package: Packets
Quantity: 25
Method: adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G. The reaction between chlorine and the reagents causes a pink tint in the sample.
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