Millipore Spectroquant Multy Operating Manual page 134

Measuring range: 0.05– 1.80 mg/l Mn
Check the pH of the Select method 2 8 1 .
sample, specified range:
pH 3 – 10.
If required, add dilute
sodium hydroxide
solution or sulfuric acid
drop by drop to adjust
the pH.
Shake both cells vigor- Add to each cell 2.0 ml
ously to dissolve the of Mn-2 with pipette,
solid substance. close with the screw
cap, and mix.
Insert the blank cell into Insert the cell containing
the cell compartment. the sample into the cell
Align the mark on the compartment. Align the
cell with that on the pho- mark on the cell with
tometer. Press Zero . that on the photometer.
Press Test .
Release 08/2014 - Spectroquant
Manganese
24-mm cell
Pipette 8.0 ml of the
sample into a 24-mm
cell.
Add to each cell 3 drops
of Mn-3, close with the
screw cap, and mix.
®
Multy
Pipette 8.0 ml of distilled
water into a second
24-mm cell.
(Blank cell)
Add swiftly to each cell
0.25 ml of Mn-4 with
pipette, close with the
screw cap, and mix
immediately.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) ready-for-use manganese
®
standard solution Certipur , Cat.No. 119789, concentra-
tion 1000 mg/l Mn, can be used after
diluting accordingly.
101739
Test
Add to each cell 1 level
grey microspoon of
Mn-1, close with the
screw cap.
Reaction time:
10 minutes
Press Enter to start
the countdown.