Release 08/2014 - Spectroquant
®
Multy
Filter turbid samples.
Pipette 5.0 ml of the
sample into a reaction
cell, close with the screw
cap, and mix.
Add 1 level green micro-
spoon of SO
4
-1K and
close the cell with the
screw cap.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) we recommended to use
Spectroquant
®
CombiCheck 10, Cat.No. 114676, or the
Standard solution for photometric applications, CRM,
Cat.No. 125050 and 125051.
Ready-for-use sulfate standard solution Certipur
®
,
Cat.No. 119813, concentration 1000 mg/l SO
4
2–
, can also
be used after diluting accordingly.
To check for sample-dependent effects the use of addition
solutions (e.g. in CombiCheck 10) is highly recommended.
Measuring range: 5 – 250 mg/l SO
4
16-mm
cell
114548
Cell Test
Sulfate
Shake the cell vigorous-
ly to dissolve the solid
substance.
Fill approx. 10 ml of
distilled water into an
empty 16-mm cell (do
not add any reagents!),
close with the screw
cap.
(Blank cell)
Select method 4 4 0 .
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
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.
Reaction time:
2 minutes, measure
immediately.
Press Enter to start
the countdown.
Insert the blank cell into
the cell compartment.
Press Zero .
