German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 3: Determination of calcium and magnesium, complexometric method (E 3)
Edition 2002-03

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of copper by atomic absorption spectrometry (AAS) (E 7)
Edition 1991-09

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of nickel by atomic absorption spectrometry (AAS) (E 11)
Edition 1991-09

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); detection of salmonellae in disinfected sewage sludge (S 13)
Edition 1992-03

German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 1: Determination of cholinesterase inhibiting organophosphorus and carbamate pesticides (cholinesterase inhibition test) (T 1)
Edition 1995-02

Water quality - Determination of chromium - Atomic absorption spectrometric methods; German version EN 1233:1996
Edition 1996-08

Soil quality - Determination of thepotential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH = 8,1 (ISO 13536:1995)
Edition 1997-04

German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of water from mineral springs and spas (A 18)
Edition 1991-05

Water quality; determination of dissolved oxygen; iodometric method (ISO 5813:1983); german version EN 25813:1992
Edition 1993-01

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of cobalt by atomic absorption spectrometry (AAS) (E 24)
Edition 1993-03