ISO 1897-7:1977
Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use; Methods of test; Part VII : Measurement of colour (Cresylic acid and xylenols only)

Standard No.

ISO 1897-7:1977

Release Date

1977

Published By

International Organization for Standardization (ISO)

Status

Withdraw 2002-05

Latest

ISO 1897-7:1977

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.

ISO 1897-7:1977 history

• 1977 ISO 1897-7:1977 Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use; Methods of test; Part VII : Measurement of colour (Cresylic acid and xylenols only)