Camlab Lovibond MD 610, Instruction Manual

Page: 221 / 371

215
MD 610_2d 11/2019
Notes:
1. Only ortho-Phosphate ions react.
2. The tablets must be added in the correct sequence.
3. The test sample should have a pH-Value between 6 and 7.
4. Interferences:
Higher concentrations of Cu, Ni, Cr (III),V (V) and W (VI) interfere due to their colour.
Silicatesdo not interfere (masked by Citric acid in the tablets).
5. see also page 213
6. Conversion:
mg/l P = mg/l PO
4
x 0.33
mg/l P
2
O
5
= mg/l PO
4
x 0.75
7. PO
4
P
P
2
O
5
Reagent Form of reagent/Quantity Order-No.
Set
PHOSPHATELRNo. 1 / No. 2
Tablet / per 100
inclusive stirring rod 517651BT
PHOSPHATELR No. 1 Tablet / 100 513040BT
PHOSPHATELR No. 2 Tablet / 100 513050BT