Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
Edition 1997-12

Chemical analysis of ferrous materials; determination of chromium in steels and iron; flame atomic absorption spectrometric method; German version EN 10188:1989
Edition 1990-04

Water quality - Determination of permanganate index (ISO 8467:1993); German version EN ISO 8467:1995
Edition 1995-05

Products used for treatment of water intended for human consumption - Barite; German version EN 12912:2012
Edition 2013-01

Chemicals used for treatment of water intended for human consumption - Sodium carbonate; German version EN 897:2012
Edition 2013-02

Chemicals used for treatment of water intended for human consumption - Sodium hydrogen carbonate; German version EN 898:2012
Edition 2013-02

Chemical analysis of refractories - General requirements for wet chemical analysis, atomic absorption spectrometry (AAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) methods (ISO 26845:2008); German version EN ISO 26845:2008
Edition 2008-06

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 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

Chemicals used for treatment of water intended for human consumption - Sodium hydroxide; German version EN 896:2012
Edition 2013-02