LaMotte SMART Spectro Spectrophotometer - Manual (Page 216)

PROCEDURE
Use universal sample holder.
1. Use Indicator, Range, & Test Name chart to select the indicator, corresponding
to anticipated pH range and to determine corresponding test name to select
from spectrophotometer menu.
2. Press and hold ON button until spectrophotometer turns on.
3. Scroll to and select PROGRAMMED TESTS.
4. Scroll to and select ALL TESTS (or another sequence containing the
appropriate pH test name) from TESTING MENU.
5. Scroll to and select the appropriate pH test name from menu.
6. Rinse a clean tube (0290) with sample water. Fill to the 10 mL line with
sample.
7. Insert tube into chamber, close lid and select SCAN BLANK.
8. Remove tube from Spectro. Use the 0.5 mL pipet (0369) to add exactly 0.5 mL
of the pH indicator for the chosen range. Cap and mix.
9. Insert tube into chamber, close lid and select SCAN SAMPLE. Record
result.
10. Press OFF button to turn spectrophotometer off or press EXIT button to exit to
a previous menu or make another menu selection.
SMART Spectro Test Procedures 2.11 pH
Test P
rocedures