Fertilizers - Determination of complexing agents in fertilizers - Identification of heptagluconic acid by chromatography; German version EN 16847:2016
Edition 2016-05

Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 3: Determination of [S,S]-EDDS by ion pair chromatography; German version EN 13368-3:2017
Edition 2018-07

Fertilizers - Determination of chelating agents - Determination of iron chelated by o,p- EDDHA by reversed phase HPLC; German version EN 15452:2008
Edition 2008-11

Information and documentation - Papers and boards used for conservation - Measurement of impact of volatiles on cellulose in paper (ISO 23404:2020)
Edition 2022-02

Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 1: Determination of EDTA, HEEDTA and DTPA by ion chromatography; German version EN 13368-1:2014
Edition 2014-04

Information and Documentation - Determination of the effectiveness of paper deacidification processes by means of a test paper
Edition 2018-11

Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 2: Determination of Fe chelated by [o,o] EDDHA, [o,o] EDDHMA and HBED, or the amount of chelating agents, by ion pair chromatography; German version EN 13368-2:2017
Edition 2018-03

Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica (ISO 10058-1:2008); German version EN ISO 10058-1:2008
Edition 2009-09

Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO₂ (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents and dissolution (ISO 21079-1:2008); German version EN ISO 21079-1:2008
Edition 2008-08

Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents, dissolution and gravimetric silica (ISO 21587-1:2007); German version EN ISO 21587-1:2007
Edition 2007-12