Chlorine, Total Dpd Method - Hach DR/850 Procedures Manual

CHLORINE, TOTAL
DPD Method
(Powder Pillows or AccuVac Ampuls)
USEPA accepted for reporting water and wastewater analyses
Note: This product has not been evaluated to test for chlorine and chloramines in medical
applications in the United States.
Using Powder Pillows
1.
Enter the stored
program number for
total chlorine (Cl )
2
powder pillows.
Press:
PRGM
The display will show:
PRGM ?
Note: For most accurate
results, perform a Reagent
Blank Correction using
deionized water (see
Section 1).
* Procedure is equivalent to USEPA method 330.5 for wastewater and Standard Method 4500-Cl G
for drinking water.
(0 to 2.00 mg/L)
2.
Press:
9 ENTER
The display will show
mg/L, Cl2 and the
ZERO icon.
For water, wastewater and seawater
3.
Fill a sample cell
with 10 mL of sample
(the blank).
Note: Samples must be
analyzed immediately and
cannot be preserved for
later analysis.
125
Method 8167
*
4.
Place the blank into
the cell holder. Tightly
cover the sample cell
with the instrument cap.