ISO 1390-3:1977

Maleic anhydride for industrial use — Methods of test — Part 3: Determination of free acidity — Potentiometric method

The procedure is based on the potentiometric titration of the free acidity in a test portion with a standard volumetric triethylamine solution in anhydrous methyl ethyl ketone (butanone). - ISO 1390, Parts 1 to 6, replace ISO Recommendation R 1390-1970.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.080.50

Statut:

Annulée

Date de Publication:

1977-05-31

Numéro Standard:

ISO 1390-3:1977