IS 9889 : 2024/ISO1833-18 : 2020 Textiles - Quantitative Chemical Analysis - Mixtures of Silk with Wool or Other Animal Hair (Method Using Sulphuric Acid)
NATIONAL FOREWORD
This Indian Standard (Second Revision) which is identical to ISO 1833-18 : 2020 'Textiles - Quantitative chemical analysis - Part 18: Mixtures of silk with wool or other animal hair (method using sulfuric acid)' issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on the recommendation of the Chemical Methods of Test Sectional Committee and approval of the Textiles Division Council.
This Indian Standard was first published in 1981 and has been revised in 1988. The second revision of this standard has been undertaken to align it with the latest version of ISO 1833-18 : 2020.
The text of ISO standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are however not identical to those used in Indian Standards. Attention is particularly drawn to the following:
a) Wherever the words 'International Standard' appears referring to this standard, they should be read as `Indian Standard'; and
b) Comma (,) has been used as a decimal marker while in Indian Standards, the current practice is to use a point (.) as the decimal marker.