Lovibond MD 610, Инструкция по эксплуатации

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86 MD 610_1c 09/2015
Chromium, differentiated
determination with Powder Pack
0.02 – 2 mg/l Cr
Digestion:
1. Fill a clean vial (16 mm Ø) with
10 ml of water sample
.
2. Add the contents of
one PERSULF.RGT FOR CR Pow-
der Pack
straight from the foil into the vial.
3. Close the vial tightly with the cap and swirl several times
to mix the contents.
4. Heat the vial for
120 minutes
in a preheated thermo-
reactor at a temperature of 100°C .
5. Remove the vial from the thermoreactor.
(CAUTION: The vials are hot!).
Invert the vial and allow to cool to room temperature.
Performing test procedure:
Insert the adapter for 16 mm Ø vials.
6. Place the pre prepared vial in the sample chamber
making sure that the marks are aligned.
7. Press ZERO key.
8. Remove the vial from the sample chamber.
9. Add the contents of one CHROMIUM HEXAVALENT
Powder Pack straight from the foil into the pre pre-
pared vial.
10. Close the vial tightly with the cap and swirl several times
to mix the contents.
11. Place the vial in the sample chamber making sure that
the marks are aligned.
12. Press
TEST
key.
Wait for a
reaction period of 5 minutes
.
After the reaction period is finished the measurement
starts automatically.
Ø 16 mm
prepare Zero
press ZERO
Zero accepted
prepare T1
press TEST
Countdown
5:00
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