Abstract / scope
Specifies the laboratory sample to have a mass of not less than 500 g. Before carrying out the tests, the sample shall be grind to a fine powder and mixed thoroughly. - ISO 1391, Parts 1 to 4, replace ISO Recommendation R 1391-1970.
ISO 1391-1:1976Withdrawn
Paraformaldehyde for industrial use — Methods of test — Part 1: General
Paraformaldéhyde à usage industriel — Méthodes d'essai — Partie 1: Généralités