Ethanol as a blending component for petrol - Determination of inorganic chloride - Potentiometric method; German version EN 15484:2007
Edition 2007-11

Soil quality - Determination of the specific electrical conductivity (ISO 11265:1994 + ISO 11265:1994/Corr.1:1996)
Edition 1997-06

Pigments - Zinc chromate pigments, requirements and test methods
Edition 1999-04

Testing of mineral oils - Determination of saponification number - Part 2: Color-indicator titration, insulating oils
Edition 2009-04

Fat and oil derivates - Fatty acid methyl ester (FAME) - Determination of acid value; German version EN 14104:2021
Edition 2021-04

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9)
Edition 1986-09

German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
Edition 1992-05

German Standard Methods for Examination of Water, Waste Water and Sludge; Summary Action and Material Characteristic Parameters (Group H); Determination of the Chemical Oxygen Demand (COD) in the Range over 15 mg/l (H41)
Edition 1980-12

Plastics - Unsaturated polyester resins - Determination of hydroxyl value (ISO 2554:1997); German version EN ISO 2554:1998
Edition 1998-10

Soil quality - Determination of redox potential - Field method (ISO 11271:2022)
Edition 2023-11