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Standard
ISO 1389-4:1977

ISO 1389-4:1977

Phthalic anhydride for industrial use — Methods of test — Part 4: Measurement of colour after treatment with sulphuric acid

Anhydride phtalique à usage industriel — Méthodes d'essai — Partie 4: Mesurage de la coloration après traitement à l'acide sulfurique

Fecha Anulación:
1977-02-01 / Withdrawn
Committee:
ISO/TC 47 - Chemistry

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