Sodium chlorate for industrial use; Determination of chlorate content; Dichromate titrimetric method
Edition 1975-02

Textiles - Tests for colour fastness - Part Z01: Colour fastness to metals in the dyebath: Chromium salts (ISO 105-Z01:1993)
Edition 1996

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 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

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

Textiles - Tests for colour fastness - Part Z01: Colour fastness to metals in the dyebath: Chromium salts (ISO 105-Z01:1993); German version EN ISO 105-Z01:1995
Edition 1995-12

Animal and vegetable fats and oils - Determination of ultraviolet absorbance expressed as specific UV extinction (ISO 3656:2011 + Amd 1:2017); German version EN ISO 3656:2011 + A1:2017
Edition 2017-08

German standard methods for the examination of water, waste water and sludge; gaseous components (group G); determination of chlorine dioxide (G 5)
Edition 1990-06

Textiles - Tests for colour fastness - Part X01: Colour fastness to carbonizing: Aluminium chloride (ISO 105-X01:1993); German version EN ISO 105-X01:1995
Edition 1995-12

Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis (ISO 20565-2:2008); German version EN ISO 20565-2:2008
Edition 2009-06