Release 08/2014 - Spectroquant
®
Multy
Measuring range: 20 – 700 µg/l Al
24-mm cell
Aluminium
114825
Test
Attention: In contrast to the instructions given in the package insert the sample volume as well as the reagent volume
must be doubled.
Transfer each solution
into a separate 24-mm
cell, close with the screw
caps.
Select method 2 0 .
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .
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:
2 minutes
Press Enter to start
the countdown.
Check the pH of the
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 test tube
2 level blue microspoons
of Al-1 and dissolve the
solid substance.
Add to each test tube
2.4 ml of Al-2 with pi-
pette and mix.
Add to each test tube
0.5 ml of Al-3 with pi-
pette and mix.
Pipette 10 ml of the
sample into a test tube.
Pipette 10 ml of distilled
water into a second test
tube.
(Blank)
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) ready-for-use aluminium
standard solution Certipur
®
, Cat.No. 119770, concentra-
tion 1000 mg/l Al can be used after diluting accordingly.
The measurement results are expressed in µg/l.
