ISO 1616:1976
Glycerines for industrial use; Determination of sulphated ash; Gravimetric method

Standard No.

ISO 1616:1976

Release Date

1976

Published By

International Organization for Standardization (ISO)

Status

Withdraw 2002-05

Latest

ISO 1616:1976

Scope

The method is applicable to products yielding a quantity of sulphated ash equal to or less than 0.5 % (m/m). The principle is based on combustion of a test portion and calcination of the residue in the presence of sulphuric acid in a platinum or porcelain dish between 800 ?C and 850 ?C. Weighing of the residue thus obtained. - Replaces ISO Recommendation R 1616-1970.

ISO 1616:1976 history

• 1976 ISO 1616:1976 Glycerines for industrial use; Determination of sulphated ash; Gravimetric method