Millipore Spectroquant Multy Operating Manual page 50

Measuring range: 20 – 700 µg/l Al
Attention: In contrast to the instructions given in the package insert the sample volume as well as the reagent volume
must be doubled.
Check the pH of the Select method
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 Add to each test tube
2.4 ml of Al-2 with pi- 0.5 ml of Al-3 with pi-
pette and mix. pette 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 .
Release 08/2014 - Spectroquant
Aluminium
24-mm cell
2 0 . Pipette 10 ml of the
sample into a test tube.
Reaction time:
2 minutes
Press Enter to start
the countdown.
®
Multy
Pipette 10 ml of distilled
water into a second test
tube.
(Blank)
Transfer each solution
into a separate 24-mm
cell, close with the screw
caps.
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.
114825
Test
Add to each test tube
2 level blue microspoons
of Al-1 and dissolve the
solid substance.
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .