1.1 Methods
Phosphate, ortho
with Vario Powder Pack
0.06 – 2.5 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 the contents of VARIO Phosphate Rgt. F10 Powder
Pack straight from the foil to the water sample.
6. Close the vial tightly with the cap and swirl several times
to mix the contents (approx. 10-15 sec., Note 1).
7. Place the vial in the sample chamber making sure that
the
marks are aligned.
8. Press TEST key.
Wait for a reaction period of 2 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
2:00
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