Test Procedures
PROCEDURE
Use universal sample holder.
1. Press
ON
button to turn spectrophotometer on.
2. Scroll to and select
PROGRAMMED TESTS
.
3. Scroll to and select
ALL TESTS
(or another sequence containing
89 SULFATE-HR
) from
TESTING MENU
.
4. Scroll to and select
89 SULFATE-HR
from menu.
5. Rinse a clean tube (0290) with sample water. Fill to the 10 mL line with sample.
6. Insert tube into chamber, close lid and select
SCAN BLANK
.
7.
Remove tube from Spectro. Use the 0.1 g spoon (0699) to add one measure of
*Sulfate Reagent (V-6277). Cap and shake until powder dissolves. A white precipitate
will develop if sulfates are present. Wait 5 minutes.
8. Mix tube again. Insert tube into chamber, close lid and select
SCAN SAMPLE
. Record
result.
9. Press and hold
OFF
button to turn spectrophotometer off or press
EXIT
button to exit
to a previous menu or make another menu selection.
NOTES: If the sulfate concentration of the test sample is greater than 100 ppm, it is
recommended that a dilution be made with deionized water and the results multiplied by
the dilution factor.
A white fi lm is deposited on the inside of test tubes as a result of the sulfate test.
Thoroughly clean and rinse test tubes after each test.
For the most accurate results, samples and reactions should be at 25±4°C.
SULFATE
SMART Spectro 2 Test Procedures 05.02.16
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