Millipore Spectroquant Multy Operating Manual page 64

Measuring range: 5 – 500 µg/l Cd
Check the pH of the Select method 1 0 1 .
sample, specified range:
pH 3 – 11.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Add to each cell 0.20 ml Add to each cell 1 level
of Cd-2 with pipette, green microspoon of
close with the screw Cd-3, close with the
cap, and mix. screw cap, and dissolve
the solid substance.
Important:
For the determination of total cadmium a pretreatment
with Crack Set 10C, Cat.No. 114688 or Crack Set 10,
Cat.No. 114687, and thermoreactor is necessary.
Release 08/2014 - Spectroquant
Cadmium
24-mm cell
Pipette 1.0 ml each of
Cd-1 into two 24-mm
cells.
Reaction time:
2 minutes
Press Enter to start
the countdown.
®
Multy
Add to one cell 10 ml of
the sample with pipette,
close with the screw
cap, and mix.
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) ready-for-use cadmium
®
standard solution Certipur , Cat.No. 119777, concentra-
tion 1000 mg/l Cd, can be used after diluting accordingly.
The measurement results are expressed in µg/l.
101745
Test
Add to the second cell
10 ml of distilled water
with pipette, close with
the screw cap, and mix.
(Blank cell)
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .