
48
AL110_2 03/2018
GB
Methods
Copper with Tablet
0.3 – 5.0 mg/l Cu
a) free Copper
Fill a clean vial (24 mm Ø) with
10 ml of the water sample
and
perform zero calibration (see “Operation”).
Add
one COPPER No. 1 tablet
straight from the foil to the water
sample and crush the tablet using a clean stirring rod.
Close the vial tightly with the cap and swirl gently several times until
the tablet is dissolved.
Place the vial in the sample chamber making sure that the marks
are aligned.
Press the [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/l free Copper.
b) total Copper
Add
one COPPER No. 2 tablet
straight from the foil to the same
water sample and crush the tablet using a clean stirring rod.
Close the vial tightly with the cap and swirl gently several times until
the tablet is dissolved.
Place the vial in the sample chamber making sure that the marks
are aligned.
Press the [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/l total Copper.
c) combined Copper
combined Copper = total Copper – free Copper
Zero
Test
Cu
Cu
RESULT
Zero
Test
Cu
RESULT
0.0.0
Содержание AL 110
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