LaMotte SMART Spectro Spectrophotometer - Manual (Page 61)

APPLICATION: Drinking and surface water and swimming pool water
RANGE: 0–200 ppm as CaCO
3
MDL: 15 ppm
METHOD: The sample is added to a buffered indicator reagent.
The color that develops, ranging from yellow to blue, will
indicate the amount of alkalinity in the sample.
SAMPLE HANDLING
& PRESERVATION:
Samples should be analyzed as soon as possible after
collection. Sample may be refrigerated for 24 hours.
INTERFERENCES: Quats and poly quats at high concentrations will
interfere.
ALKALINITY, UDV SMART Spectro Test Procedures 2.11
Test P
rocedures