1—56
Chlorine Dioxide, continued
4.Press ZERO/SCROLL.
The display will show
“- - - -” then “0.00”.
Remove the blank from the
cell holder.
5.Fill a second sample cell
with 10 mL of sample.
Immediately add four drops
of Glycine Reagent to the
sample cell and swirl to mix.
6.Immediately add the
contents of one DPD Free
Powder Pillow. Cap and
swirl gently for 20 sec. Wait
30 sec. for undissolved
powder to settle. Accuracy is
not affected by undissolved
powder.
Note: A pink color will
develop if ClO
2
is present.
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