Millipore Spectroquant Multy Operating Manual page 199

Measuring range: 25 – 1000 µg/l Zn
Check the pH of the Select method 5 4 0 .
sample, specified range:
pH 1 – 7.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Pipette 0.50 ml each of Add to one cell 2.0 ml of
Zn-2K into two reaction pretreated sample with
cells, close with the pipette, close the cell
screw cap, and mix. with the screw cap, and
mix.
Insert the blank cell into Insert the cell containing
the cell compartment. the sample into the cell
Align the mark on the compartment. Align the
cell with that on the pho- mark on the cell with
tometer. Press Zero . that on the photometer.
Press Test .
Important:
For the determination of total zinc a pretreatment
with Crack Set 10C, Cat.No. 114688, or Crack Set 10,
Cat.No. 114687, and thermoreactor is necessary.
Release 08/2014 - Spectroquant
Zinc
16-mm cell
Pipette 10 ml of the
sample into a glass
vessel.
Add to the second cell
2.0 ml of pretreated
blank with pipette, close
the cell with the screw
cap, and mix.
(Blank cell)
®
Multy
Pipette 10 ml of distilled
water into a second
glass vessel.
Add to each cells 5
drops of Zn-3K, close
the cell with the screw
cap, and mix.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) ready-for-use zinc standard
®
solution Certipur , Cat.No. 119806, concentration 1000 mg/l
Zn, can be used after diluting accordingly.
The measurement results are expressed in µg/l.
100861
Cell Test
Add to each glass vessel
1 level green microspoon
of Zn-1K and dissolve
the solid substance:
pretreated sample /
blank.
Reaction time:
15 minutes
Press Enter to start
the countdown.