90.20 Standard under periodical review Jul 15, 2024
CEN
CEN/TC 444 Environmental characterization of solid matrices
Technical Specification
13.030.01 Wastes in general
This Technical Specification specifies a procedure for the determination of ammonium nitrogen and nitrate nitrogen in sludge, treated biowaste and soil after extraction with a 1 mol/l potassium chloride solution. The extraction method is suitable for fresh samples.
The determination of nitrogen fractions can be done manually or by automated methods.
Legislation related to this standard
Protection of the environment, and in particular of the soil, when sewage sludge is used in agriculture
PUBLISHED
CEN/TS 16177:2012
90.20
Standard under periodical review
Jul 15, 2024