DIN 53124 Paper, board and pulps - Determination of pH aqueous extracts
DIN EN 20187 Paper, board and pulps; standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples (ISO 187:1990); German version EN 20187:1993
DIN EN ISO 186 Paper and board - Sampling to determine average quality (ISO 186:2002); German version EN ISO 186:2002
DIN EN ISO 1924-2 Paper and board - Determination of tensile properties - Part 2: Constant rate of elongation method (20 mm/min) (ISO 1924-2:2008); German version EN ISO 1924-2:2008*, 2009-05-01 Update