46
• 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