ISO 1389-7:1977
w
ISO 1389-7:1977
5961

Status : Withdrawn

Abstract

The principle consists in the dissolution of a test portion in acetone, removal of 1,4-naphthoquinone present in the solution by extraction with benzene. Polarographic measurement of the aqueous solution and determination of the mass of maleic anhydride by means of the calibration graph. - ISO 1389, Parts 1 to 11, replace ISO Recommendation R 1389-1970.

General information

  •  : Withdrawn
     : 1977-02
    : Withdrawal of International Standard [95.99]
  •  : 1
     : 3
  • ISO/TC 47
    71.080.50 
  • RSS updates

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)