Thuốc thử chlorine tự do Hach 2105569 / Hach 2105569 DPD Free Chlorine Reagent Powder Pillows, 10 mL, (Pack of 100)
Thương hiệu: HACH
Đánh giá:

For free chlorine determination by the DPD Free Chlorine method. USEPA accepted for reporting for drinking water analysis using Hach Method 8021. 

Range: 0.02 - 2.00 mg/L Cl₂. 

Sample Size: 10 mL. 

Pack of 100 powder pillows.

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