ISO 1897-7:1977Withdrawn

Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use — Methods of test — Part 7: Measurement of colour (Cresylic acid and xylenols only)

Phénol, o-crésol, m-crésol, p-crésol, acide crésylique et xylénols à usage industriel — Méthodes d'essai — Partie 7: Mesurage de la coloration (Acide crésylique et xylénols uniquement)

Abstract / scope

Specifies a method for the comparison of the colour of a test portion against the colour of colorimetric standard colour matching solutions. The colour of cresols present in the test portion is liable to darken on keeping and on exposure to ligth. ISO 1897/7 replaces ISO Recommendation R 1909-1971.

Life cycle

Replaces

ISO/R 1909:1971WithdrawnWithdrawal of ISO/R 1909-1971Recommendation · Published 1 Dec 1971 · ISO/TC 47