Millipore Spectroquant Multy Operating Manual page 177

Measuring range: 2.0 – 50.0 mg/l SO
Filter turbid samples. Check the pH of the
sample, specified range:
pH 2 – 10.
If required, add dilute
sodium hydroxide
solution or hydrochloric
acid drop by drop to
adjust the pH.
Add to each cell 1 level Shake both cells vigor-
green microspoon of ously to dissolve the
SO -1K, close the cell solid substance.
4
with the screw cap.
Release 08/2014 - Spectroquant
Sulfate
16-mm cell
4
Select method 4 4 4 .
Reaction time:
2 minutes, measure
immediately.
Press Enter to start
the countdown.
®
Multy
Pipette 10 ml of the
sample into a reaction
cell, close with the screw
cap, and mix.
Insert the blank cell into
the cell compartment.
Align the mark on the
cell with that on the pho-
tometer. Press Zero .
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) ready-for-use sulfate
®
standard solution Certipur , Cat.No. 119813, concen-
2-
tration 1000 mg/l SO , can be used after diluting accord-
4
ingly.
102532
Cell Test
Pipette10 ml of distilled
water into a second
reaction cell, close with
the screw cap, and mix.
(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 .