Millipore Spectroquant Multy Operating Manual page 61

Measuring range: 0.05 – 2.00 mg/l B
Check the pH of the Pipette 1.0 ml each of
sample, specified range: B-1K into two reaction
pH 2 – 12. cells, close with the
If required, add dilute screw cap, and mix.
sodium hydroxide
solution or nitric acid
drop by drop to adjust
the pH.
Reaction time: Select method
60 minutes
Release 08/2014 - Spectroquant
Boron
16-mm cell
Add to one cell 4.0 ml of
the sample with pipette,
close with the screw cap.
8 0 . 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 the second cell
4.0 ml of distilled water
with pipette, close with
the screw cap.
(Blank cell)
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) ready-for-use boron stan-
®
dard solution Certipur , Cat.No. 119500, concentration
1000 mg/l B can also be used after diluting accordingly.
100826
Cell Test
Shake both cells vigor-
ously to dissolve the
solid substance.