LaMotte SMART3 Colorimeter User Manual
Page 178
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The following substances produce a negative interference at the concentration
given:
Alkalinity (CaCO
3
)
5000 mg/L
Aluminum (Al
3+
)
0.1 mg/L
Iron (Fe
3+
)
10 mg/L
Sulfate (SO
4
–2
)
200 mg/L
Color and turbidity must be removed or compensated for in the procedure.
Temperature should be maintained within 5°C of room temperature.
FLUORIDE
SMART3 Test Procedures 11.10
Test P
rocedures
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