081-855-1842
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-
×
HI723 Checker HC ® - Chromium VI, HR
1 × ฿3,103.00 -
×
HI715 Checker HC ® - Ammonia, MR
1 × ฿3,103.00
Subtotal: ฿6,206.00
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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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.