Millipore Spectroquant Multy Operating Manual page 112

Measuring range: 0.10 – 6.00 mg/l Cu
Check the pH of the Select method 1 8 1 .
sample, specified range:
pH 4 – 10.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Check the pH of the Add 5 drops of Cu-2 and
sample, specified range: mix.
pH 7.0 – 9.5.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Insert the cell containing
the sample into the cell
compartment. Press
Test .
Important:
Very high copper concentrations in the sample produce
turquoise-colored solutions (measurement solution should
be blue) and false-low readings are yielded.
In such cases the sample must be diluted (plausibility
check).
For the determination of total copper a pretreatment
with Crack Set 10C, Cat.No. 114688, or Crack Set 10,
Cat.No. 114687 and thermoreactor is necessary.
Release 08/2014 - Spectroquant
Copper
16-mm cell
Fill approx. 10 ml of
distilled water into a
16-mm cell (do not add
any reagents!), close
with the screw cap.
(Blank cell)
Reaction time:
5 minutes
Press Enter to start
the countdown.
®
Multy
Pipette 5.0 ml of the
sample into a test tube.
Transfer the solution into
a 16-mm cell, close with
the screw cap.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) we recommended to use
®
Spectroquant CombiCheck 30, Cat.No. 114677.
Ready-for-use copper standard solution Certipur
Cat.No. 119786, concentration 1000 mg/l Cu, can also
be used after diluting accordingly.
To check for sample-dependent effects the use of addition
solutions (e.g. in CombiCheck 30) is highly recommended.
114767
Test
Add 1 green dosing
spoon of Cu-1 and
dissolve the solid
substance.
Insert the blank cell into
the cell compartment.
Press Zero .
®
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