ASTM D 6556 - 16 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption

Current edition approved Jan. 1, 2016. Published February 2016. Originally approved in 2000. Last previous edition approved in 2014 as D6556 – 14. — 6 p.
This test method covers the determination of the total surface area by the Brunauer, Emmett, and Teller (B.E.T. NSA) theory of multilayer gas adsorption behavior using multipoint determinations and the external surface area based on the statistical thickness surface area method.