Appendix
14
Appendix
TARAtec 9/10
43 / 44
Stirring continuously, titrate with thiosulphate until the sample turns colourless.
Make a note of the consumption (B) of thiosulphate in ml.
Calculation of
the H
2
O
2
A * 6.8
= concentration in ppm H
2
O
2
A * 68
= concentration in ppm H
2
O
2
A * 340
= concentration in ppm H
2
O
2
Calculation of
the PAA
B * 15.2
= concentration in ppm PAA
B * 152
= concentration in ppm PAA
B * 760
= concentration in ppm PAA
