This standard specifies the determination of free sulfur content in rubber by potentiometric titration. This standard applies to the determination of free sulfur content in unvulcanized rubber and vulcanized rubber.
GB/T 15253-1994 history
1994GB/T 15253-1994 Rubber--Determination of tree Sulpher--Potentiometic titration method
GB/T 15253-1994 Rubber--Determination of tree Sulpher--Potentiometic titration method was changed to HG/T 3838-2006 Determination of free sulfur in rubber by potentiometric titration.