User Guide

22
Aluminum
• Fill two cuvets with 10 mL of sample
each (up to the mark).
• Add the content of one HI 93712C
Bleaching powder packet to one of
the two cuvets. Replace the cap
and shake vigorously until dissolution
is complete. This is the blank.
• Place the blank into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
• Press TIMER and the display will show the countdown prior to
zeroing the blank. Alternatively wait for 15 minutes and then
press ZERO. "SIP" will blink during zeroing.
• Wait for a few seconds and the display will
show "-0.0-". Now the meter is zeroed and
ready for measurement.
• Remove the blank and insert the other
cuvet into the instrument.
• Press READ DIRECT.
"SIP" will blink during
measurement.
• The instrument directly displays concentration in mg/L of aluminum
on the Liquid Crystal Display.
INTERFERENCES
Interference may be caused by:
Iron above 20 mg/L Alkalinity above 1000 mg/L
Phosphate above 50 mg/L Fluoride must be absent
10 mL10 mL
# 1
# 1
# 2
# 1
# 2