113
113
Tablet
Continued...
(24)
Hydrogen Peroxide (LR)
Name on device: 24-Hydr-Per-LR-tab
Note(s)
-> If the measuring water contains further reducing chemicals (e.g. chlorine,
active oxygen, bromine etc.) this will also be detected and is part of the
result.
-> When preparing the measurement procedure it is important to avoid any
Hydrogen Peroxide escaping, which can happen during pipetting and
shaking the sample. The measurement should be performed directly after
sampling.
-> It is important that the measurement devices to be used have not been
cleaned with household detergent, as this could greatly reduce the
measurement. To prevent any contamination the cuvette, the cuvette lid and
the stirrer should be stored in a 0.1 g/l sodium hypochlorite solution for one
hour and then thoroughly rinsed with distilled water.
-> If your sample water is very alkaline or acidic this must be adjusted to a pH
range between 6 and 7 by the addition of 0.5 mol/l sulphuric acid or resp.
1 mol/l caustic soda before the reagent is added.
0 - 3.8
(H O )
2
2
mg/l
9.) Place the cell into the device. Again, please use caution to the arrow
on the cell. Than press TEST.
10.) Time left:
00:15 minutes.
4
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