57
METHOD PROCEDURES
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57
IRON HIGH RANGE
• Remove the cuvette and add the content of one packet of
HI93721-0
Iron High Range Reagent. Replace the plastic stopper
and the cap. Shake until powder is completely dissolved.
• Insert the cuvette into the holder and close the lid.
• Press
Timer
and the display will show the countdown prior to the measurement or wait 3 minutes
and press
Read.
When the timer ends the meter will perform the reading. The instrument displays
the result in
mg/L
of
iron (Fe).
INTERFERENCES
Interference may be caused by:
• Chloride above 185000 mg/L
• Magnesium above 100000 mg/L CaCO
3
• Calcium above 10000 mg/L CaCO
3
• Molybdate Molybdenum above 50 mg/L