Hanna Instruments HI83303 - Page 46

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• After waiting 5 minutes, invert again the cuvette 10 times
to mix (about 15 seconds).
• Reinsert the cuvette into the instrument and close the lid.
• Press Read to start the reading. The instrument displays the results in mg/L of calcium (Ca
2+
).
INTERFERENCES
Interferences may be caused by:
Acidity (as CaCO
3
) above 1000 mg/L
Alkalinity (as CaCO
3
) above 1000 mg/L
Magnesium (Mg
2+
) above 400 mg/L
CALCIUM