This standard specifies the test method for the specific surface area of carbon black except micropores (pores that cetyltrimethylammonium bromide cannot enter). This standard applies to carbon black for rubber.
GB/T 3780.5-2002 history
2017GB/T 3780.5-2017 Carbon black—Part5:Determination of specific surface area—CTAB test method
2008GB/T 3780.5-2008 Carbon black. Part 5: Determination of specific surface area. CTAB test method
2002GB/T 3780.5-2002 Carbon black used in rubber products--Determination of specific surface area--CTAB test method