Test Procedures
PROCEDURE
Use universal sample holder.
1. Press
ON
button to turn spectrophotometer on.
2. Scroll to and select
PROGRAMMED TESTS
from menu.
3. Scroll to and select
ALL TESTS
(or another sequence containing
20 Chlor Diox
) from
TESTING MENU
.
4. Scroll to and select
20 Chlor Diox
from menu.
5. Rinse a clean tube (0290) with sample water. Fill to 10 mL line with sample.
6. Insert tube into chamber, close lid and select
SCAN BLANK.
7.
Remove tube from Spectro. Pour out all but a suffi
cient amount of sample water to
cover tablet. Add 5 drops of Glycine Solution (6811).
8. Add one Chlorine DPD #1 Instrument Grade Tablet (6903A). Cap and shake for 10
seconds. Invert 5 times slowly. SOlution will turn pink if chlorine dioxide is present.
9. Immediately Insert tube into chamber, close lid and select
SCAN SAMPLE
.
10. Press and hold
OFF
button to turn spectrophotometer off or press
EXIT
button to exit
to a previous menu or make another menu selection.
CHLORINE DIOXIDE
SMART Spectro 2 Test Procedures 05.02.16
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