Test Procedures
PROCEDURE
Use universal sample holder.
1. Use the 10 mL graduated cylinder (0416) to measure 10 mL of sample water. Pour
into glass test tube (0608).
2. Use the 1 mL pipet (0354) to add 1 mL of *Hydrochloric Acid, 2.5N (6251).
3. Use the 0.1 g spoon (0699) to add 2 measures of *Ammonium Persulfate Reagent
(6566). Add two drops of *Silver Nitrate Solution, 0.0141N (6346WT). Mix until the
powder has dissolved. The solution will be slightly cloudy at this point.
4. Use 10 mL graduated cylinder (0416) to add 5 mL of Sodium Citrate, 10% (6253).
5. Use a second 1 mL pipet (0354) to add 1 mL of *Ammonium Hydroxide, Conc. (6537).
Mix, then dilute to 25 mL with deionized water.
6. Use a third 1 mL pipet (0354) to add 1 mL of *Dimethylglyoxime, 1% (6254). Mix. Wait
20 minutes for color development.
7.
At end of 20 minute waiting period fi ll a clean tube (0290) to the 10 mL line with the
developed test sample.
8. Fill a second clean tube (0290) to 10 mL line with deionized water or untreated sample
water. This is the blank.
9. Press
ON
button to turn spectrophotometer on.
10. Scroll to and select
PROGRAMMED TESTS
.
11. Scroll to and select
ALL TESTS
(or another sequence containing
63 Nickel
) from
TESTING MENU
.
12. Scroll to and select
63 Nickel
from menu.
13. Insert the blank into chamber, close lid and select
SCAN BLANK
.
14. Insert test sample into chamber, close lid and select
SCAN SAMPLE
. Record
result.
15. Press and hold
OFF
button to turn spectrophotometer off or press
EXIT
button to exit
to a previous menu or make another menu selection.
NICKEL
SMART Spectro 2 Test Procedures 05.02.16
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