Tintometer Lovibond MD100 Instrucciones página 84

Methods
GB
Molybdenum LR with VARIO Powder Pack
Mo 1
0.03 – 3.0 mg/l Mo
Fill a clean Mixing Cylinder (25-ml) with 20 ml of the water sample.
Add the contents of one VARIO Molybdenum 1 LR F20 Powder
Pack straight from the foil into the water sample (20 ml).
Close the Mixing Cylinder tightly with a stopper and swirl several times
to dissolve the powder.
Use two clean vials (24 mm Ø) and mark one as blank for zeroing.
Fill each vial with 10 ml of pre prepared water sample.
Close the blank tightly with the cap.
Add 0,5 ml of VARIO Molybdenum 2 LR solution to the sample.
Close the vial tightly with the cap and invert several times to mix the
contents.
Wait for a reaction period of 2 minutes.
Place the blank in the sample chamber making sure that the
are aligned.
Zero
Press [ZERO/TEST] key.
Test
Mo 1
The method symbol flashes for approx. 8 seconds.
Remove the vial from the sample chamber.
Place the sample in the sample chamber making sure that the
are aligned.
Zero
Press [ZERO/TEST] key.
Test
Mo 1 The method symbol flashes for approx. 3 seconds.
RESULT
The result is shown in the display in mg/l Molybdenum.
84
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marks
marks
MD100_7 12/2016