Add to each cell 1.2 ml
of PO
4
-1 with pipette,
close with the screw
cap, and mix.
114842
Test
Phosphate
Determination of orthophosphate
Measuring range: 0.5 – 30.0 mg/l PO
4
-P 16-mm
cell
1.5 – 92.0 mg/l PO
4
16-mm
cell
1.1 – 68.7 mg/l P
2
O
5
16-mm
cell
Select method 3 8 5 . Pipette 5.0 ml of the
sample into a 16-mm
cell.
Pipette 5.0 ml of distilled
water into a second
16-mm cell.
(Blank cell)
Insert the blank cell into
the cell compartment.
Press Zero .
Insert the cell containing
the sample into the cell
compartment. Press
Test .
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.
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.
Check the pH of the
sample, specified range:
pH 0 – 10.
If required, add dilute
sulfuric acid drop by
drop to adjust the pH.
Release 08/2014 - Spectroquant
®
Multy