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4. Scroll to and select Chlorine TT
from menu.
5. Rinse a clean tube (0290)
three times with the chlorine
standard. Fill the tube to the
10 mL line with the chlorine
standard. Cap the tube. Dry the
tube with a lint-free cloth.
6. Insert tube into chamber, close
lid and select Scan Blank.
7.
Remove tube from colorimeter.
Add one *Chlorine DPD #1
Instrument Grade Tablet
(6903A).
Cap tube and shake for 10
seconds. Invert slowly 5 times.
Solution will turn pink if free
chlorine is present.
8. Immediately insert tube into
chamber. Close lid. Select Scan
Sample.
lobalScientificSupply
Scan Blank
Scan Sample
12:00:00
0.99
Scan BLank
Scan Sample
12:00:00
13
GLOBAL SCIENTIFIC SUPPLY
.com
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Chlorine TT
001/500
Chlorine TT
ppm
001/500
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