Chlorine, Total
Chlorine, Total
Page 2 of 6
ChlorineTot_PT_Other_DPD_Eng_Ody.fm
5. Add 1.0 mL of Total
Chlorine Buffer Solution
to a clean, dry 100-mL
glass mixing cylinder
using the Repipet Jr.
Dispenser.
6. Add 1.0 mL of
prepared Total Chlorine
Indicator Solution to the
same mixing cylinder
using the Repipet Jr.
Dispenser. Swirl to mix
the reagents. Proceed to
step 7 immediately.
7. Carefully fill the
mixing cylinder to the
80-mL mark with sample.
Stopper the cylinder and
gently invert it twice to
mix. Proceed to step 8
immediately.
8. Touch the timer icon.
Touch
OK.
A two-minute reaction
period will begin.
Complete steps 9 and 10
within two minutes after
the timer beeps.
9. When the timer
beeps, fill the funnel of
the Pour-Thru Cell with
the reacted sample from
the mixing cylinder.
Note: It is not necessary to
pour the entire sample into the
Pour-Thru Cell; approximately
half of the sample may be
discarded.
After the flow stops, touch
Read. Results will appear
in mg/L Cl
2
.
10. Flush the Pour-Thru
Cell with at least 50-mL
of deionized water
immediately after use.
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