WARNING: Personnel using this standard should be familiar with formal laboratory procedures. This standard is not intended to address all safety issues that may arise from the use of this standard. It is the user's responsibility to establish a safety and health system and ensure compliance with national regulations. This standard specifies a method for determining free sulfur content by potentiometric titration. This standard is applicable to the determination of free sulfur content in raw rubber (natural rubber and synthetic rubber), compound rubber and vulcanized rubber.
HG/T 3838-2008 Referenced Document
GB/T 17783 Rubber,vulcanized or thermoplastic—Chemical tests—Preparation of samples and test piece*, 2019-12-10 Update
GB/T 3516 Rubber. Determination of solvent extract
GB/T 601 Chemical reagent.Preparations of reference titration solutions*, 2016-10-13 Update
HG/T 3838-2008 history
2008HG/T 3838-2008 Rubber.Determination of free sulphur.Potentiometric titration method
2006HG/T 3838-2006 Determination of free sulfur in rubber by potentiometric titration