Check the pH of the
sample, specified range
:
pH 3 – 12.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Pipette 2.0 ml of the
sample into a reaction
cell, close with the screw
cap, and mix.
Check the pH, specified
range
: pH 10.0 – 11.5.
114562
Cell Test
Measuring 5.0 – 50.0 mg/l K
range: Expression of results also possible in mmol/l.
Potassium
Quality assurance:
To check the measurement system (test reagents,
measurement device, and handling) ready-f
or-use
potassium standard solution
Certipur
®
, Cat.No. 170230,
concentration 1000 mg/l K, can be used after
diluting accordingly.
Filter turbid samples.
Reaction time:
5 minutes
Add 1 level blue micro-
spoon of K-2K, close the
cell with the screw cap.
Shake the cell vigorous-
ly to dissolve the solid
substance.
Place the cell into the
cell compartment. Align
the mark on the cell with
that on the photometer.
Add 6 drops of K-1K,
close the cell with the
screw cap, and mix.
Release 06/2014 - Spectroquant
®
UV/VIS Spectrophotometer Pharo 300
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