1.1 Methods
Zinc
with Tablet
0.02 – 1 mg/l Zn
1. Fill a clean vial (24 mm Ø) with 10 ml of the water
sample.
2. Add one COPPER / ZINC LR tablet straight from the
foil to the water sample, crush the tablet using a clean
stirring rod.
3. Close the vial tightly with the cap and swirl several times
until the tablet is dissolved.
4. Place the vial in the sample chamber making sure that
the
marks are aligned.
5. Press ZERO key.
Wait for a reaction period of 5 minutes.
After the reaction period is finished the measurement
starts automatically.
6. Remove the vial from the sample chamber.
7. Add one EDTA tablet straight from the foil to the
prepared vial and crush the tablet using a clean stirring
rod.
8. Close the vial tightly with the cap and swirl several times
until the tablet is dissolved.
9. Place the vial in the sample chamber making sure that
the
marks are aligned.
10. Press TEST key.
The result is shown in the display in mg/l Zinc.
prepare Zero
press ZERO
Zero accepted
press ZERO
press TEST
Countdown
5:00
0
0
4
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