Hanna Instruments HI 83225-01 - Manual (Page 52)

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• Remove the cuvette.
• Using the other 1 mL syringe, add to the cuvette exactly 0.5 mL of sample.
Note: Do not mix up the two syringes!
• Replace the cap and invert several times to mix.
• Reinsert the cuvette into the instrument.
• Press Timer and the display will show the countdown prior to the measurement or, alternatively, wait
for 15 seconds and press Read. When the timer ends the meter will perform the reading.
• The instrument displays the results in mg/L of Magnesium (Mg).
INTERFERENCES
Interferences may be caused by:
Acidity (as CaCO
3
) above 1000 mg/L
Alkalinity (as CaCO
3
) above 1000 mg/L
Calcium (Ca 2+ ) above 200 mg/L
Iron must be absent
Aluminum must be absent
Copper must be absent
Magnesium
0.5 mL
of sample