Numéro de référence
ISO 1389-10:1977
ISO 1389-10:1977
© ISO 2024
ISO 1389-10:1977
Anhydride phtalique à usage industriel — Méthodes d'essai — Partie 10: Dosage de la naphtaquinone-1,4 — Méthode colorimétrique
Edition 1
1977-02
1977-02
Annulée
Résumé
The principle consists in the development of a pink colour by heating a test portion containing 1,4-naphtoquinone with tin(II) chloride, and comparison of the colour produced with a series of prepared reference colours. - ISO 1389, Parts 1 to 11, replace ISO Recommendation R 1389-1970.