133
Silver
• Press ZERO and "SIP" will blink on the display.
• Wait for a few seconds and the display will
show "-0.0.-". Now the meter is zeroed
and ready for measurement.
• Fill a second cuvet up to the mark with 10 mL of
the reacted sample.
• Insert the second cuvet into the
instrument.
• Press READ DIRECT and the display will show "SIP" during
measurement.
• The instrument directly displays concentration in mg/L of silver on
the Liquid Crystal Display.
Note: a temperature above 30°C may cause turbidity. In this
case, before zeroing and taking readings, add 2-3 drops of
Dispersing agent (HI 93703-51) to each cuvet and swirl until
complete dissolution of turbidity.
INTERFERENCES
Interference may be caused by:
Al
3+
above 30 mg/L Fe
2+
above 1.5 mg/L
Ca
2+
above 1000 mg/L Fe
3+
above 10 mg/L
as CaCO
3
K
+
above 500 mg/L
Cd
2+
above 20 mg/L Mn
2+
above 25 mg/L
Cl
-
above 8000 mg/L Mg
2+
above 1000 mg/L
Co
2+
above 1.5 mg/L as CaCO
3
Cr
3+
above 20 mg/L Na
+
above 5000 mg/L
Cr
6+
above 40 mg/L Ni
2+
above 1.5 mg/L
Cu
2+
above 15 mg/L Pb
2+
above 20 mg/L
F
-
above 20 mg/L Zn
2+
above 30 mg/L
10 mL
# 2
# 2
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