Supplier Page from Thermo Fisher Scientific for Boiling stones, for preparative work
Al-23 Crucible, Conical;Ht (mm), 55;Top OD (mm), 45;Top ID (mm), 40;Base OD (mm), 22;Volume (ml), 49 from Thermo Fisher Scientific
Low Form Zirconium Crucible;Cap (ml), 20;Top Dia (mm), 33;Bottom Dia (mm), 25;Depth (mm), 30 from Thermo Fisher Scientific
Straight Wall Nickel Crucible;Cap (ml), 35;Outside Dia (mm), 46;Depth (mm), 29 from Thermo Fisher Scientific
USA Standard Sieve, 100 Mesh from Thermo Fisher Scientific