Lovibond MD100 Mode D'emploi page 38

Methods
GB
CL 8
Tablet Powder
10 ml
2
5 ml
0.0.0
Tablet Powder
Zero
Test
CL 8
Tablet Powder
RESULT
Tablet Powder
0.0.0
Tablet Powder
Zero
Test
CL 8
Tablet Powder
RESULT
Tablet Powder
38
Chlorine with Vario Powder Pack
(plastic vial type 2,
0.1 – 8.0 mg/l
a) free Chlorine
Fill a clean vial (10 mm
zero calibration (see "Operation").
Add the contents of two Vario Chlorine Free-DPD/ F10 Powder
Pack straight from the foil into the water sample.
Close the vial tightly with the cap and invert several times to mix the
contents (20 sec.).
Place the vial in the sample chamber making sure that the
are aligned.
Press the [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/l free Chlorine.
b) total Chlorine
Fill a clean vial (10 mm
zero calibration (see "Operation").
Add the contents of two Vario Chlorine Total-DPD/ F10 Powder
Pack straight from the foil into the water sample.
Close the vial tightly with the cap and invert several times to mix the
contents (20 sec.).
Place the vial in the sample chamber making sure that the
are aligned.
Wait for a reaction period of 3 – 6 minutes.
Press the [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/l total Chlorine.
c) combined Chlorine
combined Chlorine = total Chlorine – free Chlorine
Tolerances:
2 – 3 mg/l: ± 0,2 mg/l
> 3 – 4 mg/l: ± 0,3 mg/l
> 4 – 8 mg/l: ± 0,4 mg/l
10 mm)
) with 5 ml of the water sample and perform
) with 5 ml of the water sample and perform
marks
marks
MD100_3b 05/2011