Reference number
ISO 761:1977
ISO 761:1977
© ISO 2025
ISO 761:1977
Acetic anhydride and butan-1-ol for industrial use — Determination of bromine number
Edition 1
1977-03
1977-03
Withdrawn
Abstract
The principle consists in treatment of a test portion in acid solution with excess standard volumetric potassium bromide-potassium bromate solution, addition of potassium iodide solution and titration of the liberated iodine with a standard volumetric solution of sodium thiosulphate. - Replaces ISO Recommendation R 761-1968.