1.1 Methods
PHMB (Biguanide)
with Tablet
2 – 60 mg/l PHMB
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 PHMB PHOTOMETER tablet straight from
the foil to the water sample and crush the tablet using
a clean stirring rod.
6. Close the vial tightly with the cap and swirl several times
until the tablet is dissolved.
7. Place the vial in the sample chamber making sure that
the
marks are aligned.
8. Press TEST key.
The result is shown in the display in mg/l PHMB.
prepare Zero
press ZERO
Zero accepted
prepare Test
press TEST
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