Release 08/2014 - Spectroquant
®
Multy
Pipette 0.20 ml of the
sample into a reaction
cell, close with the screw
cap, and mix.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) ready-for-use phosphate
standard solution Certipur
®
, Cat.No. 119898, concentra-
tion 1000 mg/l PO
4
3–
, can be used after diluting accordingly.
100616
Cell Test
Phosphate
Determination of orthophosphate
Measuring range: 3.0 – 100.0 mg/l PO
4
-P 16-mm
cell
9 – 307 mg/l PO
4
16-mm cell
7 – 229 mg/l P
2
O
5
16-mm cell
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 3 8 2 .
Insert the cell containing
the sample into the cell
compartment. Align the
mark on the cell with
that on the photometer.
Press Test .
Reaction time:
5 minutes
Press Enter to start
the countdown.
Add 5 drops of PO
4
-1K,
close with the screw
cap, and mix.
Shake the cell vigor-
ously to dissolve the
solid substance.
Add 1 dose of PO
4
-2K
using the blue dose-
metering cap, close with
the screw cap.
Insert the blank cell into
the cell compartment.
Press Zero .
Check the pH of the
sample, specified range:
pH 0 – 10.
If required, add dilute
sulfuric acid drop by
drop to adjust the pH.
Important:
For the determination of total phosphorus = sum of
orthophosphate, polyphosphate and organophosphate
either Phosphate Cell Test, Cat. No. 114543, 114729, and
100673 or Phosphate Test, Cat. No. 114848 in conjunction
with Crack Set 10/10C, Cat. No. 114687 resp. 114688 can
be used.