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
78 Phosphate L
) from
TESTING MENU
.
4. Scroll to and select
78 Phosphate L
from menu.
5. Rinse a clean tube (0290) with sample water. Fill to the 10 line with sample.
6. Insert tube into chamber, close lid and select
SCAN BLANK
.
7.
Remove tube from Spectro. Use 1.0 mL pipet (0354) to add 1.0 mL of *Phosphate Acid
Reagent (V-6282). Cap and mix.
8. Use the 0.1 g spoon (0699) to add one measure of Phosphate Reducing Reagent
(V-6283). Cap and shake until powder dissolves. Wait 5 minutes for full color
development. Solution will turn blue if phosphates are present.
9. At end of 5 minute waiting period, mix, insert tube into chamber, close lid and select
SCAN SAMPLE
. Record result.
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.
SMART Spectro 2 Test Procedures 05.02.16
PHOSPHATE
, LOW RANGE
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