WebHigh Purity Round and Square Graphite Crucible Made From Artificial Graphite Electrodes and Isostatic Graphite Reference FOB Price Get Latest Price US $20.00-500.00 / Piece 1 Piece (Min. Order) Samples: US$ 200/Piece 1 Piece (Min.Order) Request Sample Customization: Available Customized Request Contact Supplier Mr. albert tang Manager WebRegular-purity crucibles are made of graphite with impurities ranging from 10 to 100 ppm each of Mg, Fe, Al, Si, and Cu. They are well suited for most basic borate fusion applications. High-purity crucibles are made of graphite with total metallic impurity limits of 2 ppm—ideal for trace-level analytical work.

Quartz Graphite Crucible, Small High Purity Cylindrical Graphite ...

WebJun 13, 2014 · All other candidate crucibles, including TaC, NbC, HPBN, and graphite, were used in graphite furnace. The AlN crystals were grown between 1800 °C and 2200 °C. Ultra high purity nitrogen continuously flowed through the system at 800 torr to prevent the heating element from reacting with trace oxygen. WebA graphite crucible is a container used for melting and casting non-ferrous, non-iron metals such as gold, silver, aluminum, and brass. Their thermal conductivity, high temperature … raycast command

Crucibles McMaster-Carr

WebHigh Purity Flake Graphite High Purity Flake Graphite with Carbon content ranging from 99.9% to 99.999%. Particle size ranging from 3 μm - 500 μm (5000 Mesh - 35 Mesh). Applications Battery applications. Catalysts in chemical fertilizer industry. Additive material for plastics and rubber products. Ceramics and refractory. Carbon brushes. WebThis high-temperature furnace held up to 30 graphite pots, called crucibles, each charged with 60 to 100 pounds of iron plus selected alloy additions. Once the metal charge … simple rules for carpet bowls