Hach POCKET COLORIMETER II - Chlorine, Free and Total, HR; Measuring Hints

1—37
Chlorine, Free and Total, HR (0.1 to 8.0 mg/L Cl
2
)
For water, treated water, estuary water, and seawater (Free Chlorine)
For water, treated waters, wastewater, estuary water, and seawater
(Total Chlorine)
Note: This product has not been evaluated to test for chlorine and
chloramines in medical applications in the United States.
DPD Method*
USEPA accepted for reporting drinking water analyses (free and total
chlorine) and wastewater analyses (total chlorine).
Measuring Hints
• If the chlorine concentration is typically less than 2 mg/L, use the low range
procedure.
• Analyze samples immediately. Do not use plastic containers to collect
samples. For best results, dedicate a set of sample cells to each test (free
and total).
* Adapted from Standard Methods for the Examination of Water and
Wastewater.
5957088.book Page 37 Friday, March 22, 2013 3:54 PM