Foodstuffs - Determination of ochratoxin A in wine and beer - HPLC method with immunoaffinity column clean-up; German version EN 14133:2009
Edition 2009-09

Foodstuffs - Determination of folate by microbiological assay; German version EN 14131:2003
Edition 2003-09

Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
Edition 1993-11

Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content; NADH spectrometric method; German version EN 1137:1994
Edition 1994-12

Fruit and vegetable juices - Enzymatic determination of L-malic acid (L-malate) content - NADH spectrometric method; German version EN 1138:1994
Edition 1994-12

German standard methods for the examination of water, waste water and sludge - Physical and physical-chemical parameters (group C) - Part 3: Determination of absorption in the range of the ultraviolet radiation, Spectral absorptions coefficient (C 3)
Edition 2005-07

Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method; German version EN 1139:1994
Edition 1994-12

Fruit and vegetable juices - Enzymatic determination of D-glucose and D-fructose content - NADPH spectrometric method; German version EN 1140:1994
Edition 1994-12

Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method; German version EN 12138:1997
Edition 1997-12

Foodstuffs - Determination of isomalt, lactitol, maltitol, mannitol, sorbitol and xylitol in foodstuffs; German version EN 15086:2006
Edition 2006-06