Leather - Chemical determination of the preservative (TCMTB, PCMC, OPP, OIT) content in leather by liquid chromatography - Part 1: Acetonitrile extraction method (ISO 13365-1:2020); German version EN ISO 13365-1:2020
Edition 2020-12

Leather - Chemical determination of the preservative (TCMTB, PCMC, OPP, OIT) content in leather by liquid chromatography - Part 2: Artificial perspiration extraction method (ISO 13365-2:2020); German version EN ISO 13365-2:2020
Edition 2020-12

Cheese, cheese rind and processed cheese - Determination of natamycin content - Part 1: Molecular absorption spectrometric method for cheese rind (ISO 9233-1:2018); German version EN ISO 9233-1:2018
Edition 2018-08

Cheese, cheese rind and processed cheese - Determination of natamycin content - Part 2: High-performance liquid chromatographic method for cheese, cheese rind and processed cheese (ISO 9233-2:2018); German version EN ISO 9233-2:2018
Edition 2018-08

Milk and milk products - Determination of L- and D-Lactic acid content (L- and D-Lactate) - Reflectometric method (screening method)
Edition 2015-05

Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatographie (HPLC); German version EN 16075:2011
Edition 2012-01

Petroleum products and lubricants - Determination of oil separation from grease - Pressure filtration method (ISO 22285:2018)
Edition 2021-12

Surface active agents - Determination of content of high boiling solvents in liquid detergents by GLC; German version EN 14981:2006
Edition 2006-12

Foodstuffs - Determination of trace elements - Determination of lead, cadmium, zinc, copper and iron by atomic absorption spectrometry (AAS) after microwave digestion; German version EN 14084:2003
Edition 2003-07

Chemical analysis of ferrous materials; determination of niobium in steels; spectrophotometric method; german version EN 10178:1989
Edition 1990-04