Table 1 Test item data and properties
Name Trade name Purity Specific surface (m2/g) – BET CAS number Surface functionalization Average constituent particle size Manufacturer | 7Be-tagged monarch® 1000 Carbon black, amorphous Monarch® 1000 100% 340 1333–86-4 Yes; oxidized 16 nm Cabot corporation | 7Be-tagged printex® 90 Carbon black, amorphous Printex® 90 100% 350 1333–86-4 No 14 nm Orion engineered carbons |