User Manual

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Silver
Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for
measurement.
Fill a second cuvette up to the mark with 10 mL of the reacted sample.
Add 3 drops of Dispersing Agent (HI 93703-51),
replace the cap and invert gently to mix for about 10
seconds.
Insert the second cuvette into the instrument.
Press Read to start the reading. The instrument displays the results in mg/L of silver.
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 as CaCO
3
Fe
3+
above 10 mg/L
Cd
2+
above 20 mg/L K
+
above 500 mg/L
Cl¯ above 8000 mg/L Mn
2+
above 25 mg/L
Co
2+
above 1.5 mg/L Mg
2+
above 1000 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
Silver
Add exactly 1.0 mL of HI 93737B-0 Buffer reagent to the second
beaker (the sample) and swirl gently to mix. Press Timer and the
display will show the countdown prior to adding reagent C or,
alternatively, wait for 2 minutes.
Then add exactly 1.0 mL of HI 93737C-0 Indicator reagent to
each beaker and swirl. Press Timer or, alternatively, wait for 2
minutes.
Then, in both cases, add 1.0 mL of HI 93737D-0 Fixing reagent
to each beaker and swirl. Press Timer or, alternatively, wait for
2 minutes.
Fill one cuvette up to the mark with 10 mL of the blank.
Add 3 drops of Dispersing Agent (HI 93703-51), replace the cap
and invert gently to mix for about 10 seconds.
Place the cuvette into the holder and close the lid.
# 2
# 2
# 1
# 2# 1
# 1
# 1
10 mL
10 mL
# 2
# 2