Millipore Spectroquant Multy Operating Manual page 170

Measuring range: 5.0 – 50.0 mg/l K
Filter turbid samples. 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.
Check the pH, specified Add 6 drops of K-1K,
range: pH 10.0 – 11.5. close the cell with the
screw cap, and mix.
Insert the blank cell into Insert the cell containing
the cell compartment. the sample into the cell
Press Zero . compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
Release 08/2014 - Spectroquant
Potassium
16-mm cell
Select method 4 0 0 .
Add 1 level blue micro-
spoon of K-2K, close the
cell with the screw cap.
®
Multy
Fill approx. 10 ml of
distilled water into an
empty 16-mm cell (do
not add any reagents!),
close with the screw
cap.
(Blank cell)
Shake the cell vigor-
ously to dissolve the
solid substance.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) ready-for-use potassium
®
standard solution Certipur , Cat.No. 170230, concentra-
tion 1000 mg/l K, can be used after diluting accordingly.
114562
Cell Test
Pipette 2.0 ml of the
sample into a reaction
cell, close with the screw
cap, and mix.
Reaction time:
5 minutes
Press Enter to start
the countdown.