1.1 Methods
Phosphate HR, ortho
with Tablet
1 – 80 mg/l PO
4
1. Fill a clean vial (24 mm Ø) with 10 ml of the water
sample, close tightly with the cap.
2. Place the vial in the sample chamber making sure that
the
marks are aligned.
3. Press ZERO key.
4. Remove the vial from the sample chamber.
5. Add one PHOSPHATE HR P1 tablet straight from the
foil to the water sample and crush the tablet using a
clean stirring rod.
6. Add one PHOSPHATE HR P2 tablet straight from the
foil to the same water sample and crush the tablet using
a clean stirring rod.
7. Close the vial tightly with the cap and swirl several times
until the tablets are dissolved.
8. Place the vial in the sample chamber making sure that
the
marks are aligned.
9. Press TEST key.
Wait for a reaction period of 10 minutes.
After the reaction period is finished the measurement
starts automatically.
The result is shown in the display in mg/l ortho-
Phosphate.
prepare Zero
press ZERO
Zero accepted
prepare Test
press TEST
Countdown
10:00
2
1
3
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