Release 08/2014 - Spectroquant
®
Multy
Pipette 10 ml of the
sample into a 24-mm
cell.
Measuring range: 5 – 200 µg/l CN
24-mm cell
Attention: In contrast to the instructions given in the package insert the sample volume as well as the reagent volume
must be doubled.
Cyanide
Determination of free cyanide
109701
Test
Fill approx. 10 ml of
distilled water into a
24-mm cell (do not add
any reagents!), close
with the screw cap.
(Blank cell)
Select method 1 9 1 .
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
Reaction time:
10 minutes
Press Enter to start
the countdown.
Quality assurance:
To check the measurement system (test reagents,meas-
urement device, and handling) ready-for-use cyanide stan-
dard solution Certipur
®
, Cat.No. 119533, concentration
1000 mg/l CN
–
, can be used after diluting accordingly.
The measurement results are expressed in µg/l.
Shake the cell vigor-
ously to dissolve the
solid substance.
Add 2 level green micro-
spoons of CN-3, close
with the screw cap.
Shake the cell vigor-
ously to dissolve the
solid substance.
Add 2 level blue micro-
spoons of CN-4, close
with the screw cap.
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .
Check the pH of the
sample, specified range:
pH 4.5 – 8.0.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
