JIS K 6217-7:2008 Carbon black for rubber industry -- Fundamental characteristics -- Part 7: Rubber compounding ingredients -- Determination of multipoint nitrogen surface area (NSA) and statistical thickness surface area (STSA)
2013JIS K 6217-7:2013 Carbon black for rubber industry -- Fundamental characteristics -- Part 7: Rubber compounding ingredients -- Determination of multipoint nitrogen surface area (NSA) and statistical thickness surface area (STSA)
2008JIS K 6217-7:2008 Carbon black for rubber industry -- Fundamental characteristics -- Part 7: Rubber compounding ingredients -- Determination of multipoint nitrogen surface area (NSA) and statistical thickness surface area (STSA)