Lovibond Tintometer MD 100 Manual De Instrucciones página 15

Chlorine dioxide PP / M122
Chemical Method
DPD
Appendix
Interferences
EN
Persistant Interferences
1. All oxidising agents in the samples lead to higher results.
Removeable Interferences
1. Concentrations above 3.8 mg/l chlorine dioxide can lead to results within the
measuring range of up to 0 mg/l. In this case, the water sample must be diluted with
water that is free from chlorine dioxide. 10 ml of the diluted sample should be mixed
with the reagent and the measurement taken again (plausibility test).
Derived from
DIN 38408, Section 5
additionally required for determination of bromine, chlorine dioxide and ozone in the presence of chlorine
f)
16 EN Method Reference Book 1.0