Chlorine, Free And Total, Lr; Measuring Hints - Hach POCKET COLORIMETER II Instruction Manual

Chlorine, Free and Total, LR

For water, treated water, estuary water, and sea water
For water, treated water, wastewater, estuary water, and sea water
DPD Method*
USEPA accepted for reporting drinking water analyses**
(free and total chlorine) and wastewater analyses** (total chlorine only)

Measuring Hints

• Analyze samples immediately. Do not use plastic containers to collect samples.
• For best results, dedicate a set of cells to each free chlorine and total chlorine test.
Note:
The Pocket Colorimeter II is designed to measure solutions contained in sample cells.
dip the meter in the sample or pour the sample directly into the cell holder.
DO NOT
* Adapted from Standard Methods for the Examination of Water and Wastewater.
** Procedure is equivalent to USEPA method 330.5 for wastewater and Standard Method
4500-Cl G for drinking water.
(0.02 to 2.00 mg/L Cl
1—15
Method 8021 (Free)
Method 8167 (Total)
)
2