ICS 81.060.10                         CHD 9

Reaffirmed 2021

1. Scope

This standard prescribes the requirements and the methods of sampling and test for pyrophyllite suitable for use in ceramic industry.

2. Referenced Documents

The standards listed below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:

IS No. Title

264 : 2005 Nitric acid (third revision)

265 : 1993 Hydrochloric acid (fourth revision)

266 : 1993 Sulphuric acid (third revision)

799 : 1985 Ammonia, liquor (second revision)

915 : 2006 One-mark volumetric flasks (second revision)

1070 : 1992 Reagent grade water (third revision)

1997 : 1982 Burettes (second revision)

2781 : 2004 Glossary of terms relating to ceramicware (second revision)

4905 : 1968 Methods for random sampling

8883 (Part 1) : 2005 Methods of sampling chemical and chemical product: Part 1 General requirements and precautions (first revision)

10332 : 1982 Hydrofluoric acid, aqueous