
37
TOTAL CHLORINE
TOTAL CHLORINE
TOTAL CHLORINE
TOTAL CHLORINE
TOTAL CHLORINE
SPECIFICATIONS
Range
0.00 to 3.50 mg/L
Resolution
0.01 mg/L
Accuracy
±0.03 mg/L ±3% of reading
Typical EMC
±0.01 mg/L
Deviation
Light Source
Tungsten lamp with narrow band interference
filter @ 525 nm
Method
Adaptation of the
EPA DPD method 330.5.
The
reaction between the chlorine and the DPD re-
agent causes a pink tint in the sample.
REQUIRED REAGENTS
POWDER:
Code
Description
Quantity
HI 93711-0
DPD
1 packet
LIQUID:
Code
Description
Quantity
HI 93701
A
-T
DPD1 indicator
3 drops
HI 93701
B
-T
DPD1 buffer
3 drops
HI 93701
C
DPD3 solution
1 drop
REAGENT SETS
HI 93701-T
Reagents for 300 total chlorine tests (liquid)
HI 93711-01
Reagents for 100 total chlorine tests (powder)
HI 93711-03
Reagents for 300 total chlorine tests (powder)
For other accessories see page 141.
MEASUREMENT PROCEDURE
• Select the program number corresponding to Total Chlorine on
the secondary LCD by pressing PROGRAM
W
and
V
.
• Fill the cuvet with 10 mL of unreacted sample
(up to the mark) and replace the cap.
• Place the cuvet into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
Total Chlorine
10 mL