Tintometer Lovibond MD100 Instrucciones página 88

Methods
GB
Triazole with VARIO Powder Pack
tri
1 – 16 mg/l Benzotriazole
Transfer 25 ml of the water sample into the digestion vial.
Add the contents of one VARIO Triazole Rgt F25 Powder Pack
straight from the foil into the water sample
Close the digestion vial tightly with the cap and swirl until the reagent
is dissolved completely.
Insert the UV lamp into the digestion vial (notes
CAUTION: Wear UV safety goggles!
Switch the UV lamp on.
Wait for a reaction period of 5 minutes
After the reaction period is finished proceed as follows:
Switch the UV lamp off and remove the lamp from the vial.
Invert several times to mix the contents.
Fill a clean vial (24 mm Ø) with 10 ml deionised water and perform
0.0.0
zero calibration (see "Operation").
Remove the vial from the sample chamber and empty the
Add the digested water sample to the 10 ml mark.
Place the vial in the sample chamber making sure that the
are aligned.
Zero
Press the [ZERO/TEST] key.
Test
tri
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/l
RESULT
88
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(note 1).
1, 2).
(notes 9, 10).
vial.
marks
Benzotriazole (note 3).
MD100_7 12/2016