1.1 Methods
Iron, total (TPTZ, Note 1)
with Vario Powder Pack
0.02 – 1.8 mg/l Fe
Use two clean vials (24 mm Ø) and mark one as blank for
zeroing.
1. Fill a clean vial with 10 ml deionised water (this is the
blank).
2. Fill the second clean vial with 10 ml of the water
sample (this is the sample).
3. Add
the contents of
one Vario IRON TPTZ F10 Powder
Pack straight from the foil into each vial.
4. Close the vials tightly with the caps and swirl several
times to mix the contents.
5. Press [
] key.
Wait for a reaction period of 3 minutes.
After the reaction period is finished proceed as follows
:
6. Place the vial (the blank) in the sample chamber making
sure that the
marks are aligned.
7. Press ZERO key.
8. Remove the vial from the sample chamber.
9. Place the vial (the sample) in the sample chamber ma-
king sure that the
marks are aligned.
10. Press TEST key.
The result is shown in the display in mg/l Iron.
prepare Zero
press ZERO
Zero accepted
prepare Test
press TEST
Countdown
3:00
start:
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