Supplier Page from Thermo Fisher Scientific for Magnesium Oxide Crucible, Cylindrical, Flat Base;OD (mm), 25;Height (mm), 25
Graphite fusion crucible lid for stock number 40794, 2.54cm (1.0in) dia, 6.35mm (0.25in) thick from Thermo Fisher Scientific
Low Form Nickel Crucible;Cap (ml), 35;Top Dia (mm), 46;Bottom Dia (mm), 38;Depth (mm), 30 from Thermo Fisher Scientific
Standard Sample Tube, 3.24mm ID from Thermo Fisher Scientific
USA Standard Sieve, 40 Mesh from Thermo Fisher Scientific