44
#1
Chlorine Dioxide
• Add the content of one packet of HI 93738B dechlorinating
reagent to only one of the two cylinders (#1), close and invert it
several times until it is totally dissolved. This is the blank.
• Add precisely 0.5 mL of HI 93738C chlorine dioxide reagent to
each cylinder (#1 & #2), close them and invert several times to
mix.
• Add 0.5 mL of HI 93738D chlorine dioxide reagent to each
cylinder (#1 & #2), close them and invert several times to mix.
Cylinder #2 is the reacted sample.
• Fill a cuvet with 10 mL of the blank
(#1) up to the mark and replace the
cap.
• Place the blank (#1) into the holder
and ensure that the notch on the cap
is positioned securely into the groove.
#1
#1
#1
#2
#2
#1
10 mL
#1 & #2
#1 & #2