ISO 1390-4:1977
Maleic anhydride for industrial use; Methods of test; Part IV : Determination of maleic anhydride content; Titrimetric method

Standard No.

ISO 1390-4:1977

Release Date

1977

Published By

International Organization for Standardization (ISO)

Status

Withdraw 2002-05

Latest

ISO 1390-4:1977

Scope

The principle consists in the dissolution of a test portion in diluted standard volumetric sodium hydroxide solution and titration with standard volumetric sodium hydroxide solution in presence of phenolphthalein as indicator. - ISO 1390, Parts 1 to 6, replace ISO Recommendation R 1390-1970.

ISO 1390-4:1977 history

• 1977 ISO 1390-4:1977 Maleic anhydride for industrial use; Methods of test; Part IV : Determination of maleic anhydride content; Titrimetric method