Millipore Spectroquant Multy Operating Manual page 200

Measuring range: 0.20 – 5.00 mg/l Zn
Check the pH of the Select method 5 4 1 .
sample, specified range:
pH 3 – 10.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Add to each cell 5 drops Reaction time:
of Zn-2K, close with the 15 minutes
screw cap, and mix. Press Enter to start
the countdown.
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
Add 5 drops each of
Zn-1K into two reaction
cells, 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 .
®
Multy
Add to one cell 0.50 ml
of the sample with pi-
pette, close with the
screw cap, and mix.
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) we recommended to use
®
Spectroquant CombiCheck 40, Cat.No. 114692.
Ready-for-use zinc standard solution
119806, concentration 1000 mg/l Zn, can also be used
after diluting accordingly.
To check for sample-dependent effects the use of addition
solutions (e.g. in CombiCheck 40) is highly recommended.
114566
Cell Test
Add to the second cell
0.50 ml of distilled water
with pipette, close with
the screw cap, and mix.
(Blank cell)
®
, Cat.No.
Certipur