Foodstuffs - Determination of trace elements - Determination of inorganic arsenic in seaweed by hydride generation atomic absorption spectrometry (HGAAS) after acid extraction; German version EN 15517:2008
Edition 2008-09

Foodstuffs - Determination of trace elements - Determination of iodine by ICP-MS (inductively coupled plasma mass spectrometry); German version EN 15111:2007
Edition 2007-06

Foodstuffs - Determination of folate by microbiological assay; German version EN 14131:2003
Edition 2003-09

Test for general properties of aggregates - Part 1: Methods for sampling; German version EN 932-1:1996
Edition 1996-11

Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (ISO 17234-1:2020); German version EN ISO 17234-1:2020
Edition 2020-12

Leather - Determination of degradability by micro-organisms (ISO 20136:2020); German version EN ISO 20136:2020
Edition 2020-12

German Standard Methods for Examination of Water, Waste Water and Sludge; Summary Action and Material Characteristic Parameters (Group H); Determination of the Chemical Oxygen Demand (COD) in the Range over 15 mg/l (H41)
Edition 1980-12

Leather - Chemical tests - Guidelines for testing critical chemicals in leather (ISO 20137:2023); German version EN ISO 20137:2023
Edition 2024-02

Leather - Measurement of leather surface - Electronic techniques (ISO 19076:2023); German version EN ISO 19076:2023
Edition 2023-12

Leather - Physical and mechanical tests; Determination of resistance to grain cracking and grain crack index (ISO 3378:2002); German version EN ISO 3378:2002
Edition 2003-10