Water quality; determination of anionic surfactants by measurement of the methylene blue index MBAS (ISO 7875-1:1984, modified); German version EN 903:1993
Edition 1994-01

Steel and cast iron - Determination of total silicon contents - Reduced molybdosilicate spectrophotometric method - Part 1: Silicon contents between 0,05 % and 1,0 % (ISO 4829-1:2018); German version EN ISO 4829-1:2018
Edition 2018-08

Flanged steel rising pipes for raising of water - Nominal diameter 50 to 200
Edition 2021-12

Determination of the butter type with neural network analysis of compositional parameters - Chemometric method
Edition 2003-02

Foodstuffs - Determination of fumonisin B1 and B2 in maize based foods - HPLC method with immunoaffinity column clean up; German version EN 14352:2004
Edition 2004-10

Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts; German version EN 15040:2014
Edition 2014-06

Engineering structures in connection with roads - inspection and test
Edition 1999-11

Characterization of sludges - Determination of Kjeldahl nitrogen; German version EN 13342:2000
Edition 2001-01

Products and systems for the protection and repair of concrete structures - Test method - Determination of loss of mass of hydrophobic impregnated concrete after freeze-thaw salt stress; German version EN 13581:2002
Edition 2002-12

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of sodium by atomic absorption spectrometry (ASS) using an air-acetylene flame (E 14)
Edition 1992-07