国产精品视频一区二区三区四,亚洲av美洲av综合av,99国内精品久久久久久久,欧美电影一区二区三区电影

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 to 2.00 mg/L Cl2. Sample Size: 10 mL. 
Pack of 1000 powder pillows.

*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.

# Tests:1000

EPA compliant:Yes

Instrument:All except DR/3000, DR/2000

Method:8021

Method Name:DPD

Parameter:Free Chlorine, Chlorine Dioxide

Platform :PP

Quantity:1000 /pk

Range:0.02 to 2.00 Cl₂

Ranges:0.02 to 2.00 mg/L Cl₂

Unit:1000