Permanganate Time Test
(159)
10 ml
24 mm
Measurement procedure:
The steps up to the selection of the parameter value to be determined are the same for all
procedures and described on page "TEST-5". Please observe the important notes for
accurate measurements on pages "TEST-8" and "TEST-9".
!
The individual steps of the measurement procedure are shown on the display.
1.) Set up the fridge to 15°C by using the thermostate according to the
manual.
2.) Fill a cleaned cell (24mm) with 10ml of your sample.
3.) Close the lid.
4.) Place the vial inside the fridge for 20:00 minutes.
5.) Place the sealed "Methanol Zero" vial into the PrimeLab and press
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ZERO.
6.) Remove the the cell from the PrimeLab and set it aside. It is not longer
required for this test.
7.) Remove the cell from the fridge.
8.) Add 35µ of Potassium Permanganate Solution to your sample. Use a
10 - 100µl pipette.
10.) Close the lid.
11.) Place the vial inside the fridge for 10:00 minutes.
12.) Press TEST to start 10:00 minutes countdown.
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13.) Remove the cell from the fridge.
14.) Remove condensate on vial by using a dry soft cloth.
15.) Place the cell into the photometer (use caution to the arrow on the
4
cell) and press TEST.
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Name on device: 159-PTT-tab
Use button 3 (arrow down) to scroll through the steps.
Use button 4 to skip the notes.
0 - 100 %A
(Absorption)
Potassium Permanaganate
Solution
Liquid
(TbsPTT...)
Continued...
185