2016BS ISO 249:2016 Rubber, raw natural. Determination of dirt content
2014BS ISO 249:2014 Rubber, raw natural. Determination of dirt content
0000 BS 7164 Sec.6.1:1994
1981BS 5923 Pt.3:1981 Methods for chemical analysis of rubber. Determination of volatile matter content of raw rubbers
0000 BS 1673 Pt.2:1967
BS ISO 249:2014 Rubber, raw natural. Determination of dirt content has been changed from BS 7164-8:1996 Chemical tests for raw and vulcanized rubber - Method for determination of dirt content of raw natural rubber.