Tobacco and tobacco products - Determination of maleic hydrazide residues (ISO 4876:1980)
Edition 1998-10

German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of filterable matter and the residue on ignition (H 2)
Edition 1987-03

German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of total dry residue, filtrate dry residue and residue on ignition (H 1)
Edition 1987-01

Pulps - Determination of stock concentration (ISO 4119:1995); German version EN ISO 4119:1996
Edition 1996-05

Textiles - Tests for colour fastness - Part Z04: Dispersibility of disperse dyes (ISO 105-Z04:1995); German version EN ISO 105-Z04:1997
Edition 1997-11

Testing of Pulp; Determination of the Kappa Number
Edition 1978-08

Tobacco and tobacco products - Determination of nicotine purity - Gravimetric method using tungstosilicic acid (ISO 13276:2020)
Edition 2021-01

Surface active agents - Preparation of water with known calcium and magnesium hardness; German version EN 12829:2011
Edition 2011-07

Products and systems for the protection and repair of concrete structures - Test methods - Determination of chloride content in hardened concrete; German version EN 14629:2007
Edition 2007-06

Soil quality - Determination of the water-retention characteristic - Laboratory methods (ISO 11274:2019); German version EN ISO 11274:2019
Edition 2020-04