ASTM D 7633 - 13 Standard Test Method for Carbon Black - Carbon Content

Current edition approved Nov. 1, 2013. Published December 2013. Originally approved in 2010. Last previous edition approved in 2010 as D7633 – 10b. — 3 p.
This test method covers the instrumental determination of carbon content in a carbon black sample. Values obtained represent the total carbon content.
The method is applicable to tread, carcass and specialty type carbon blacks obtained from partial combustion or thermal decomposition processes, which typically contain 95 to 100 % carbon.
The results of these tests can be expressed as mass % carbon.