Crucibles
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Porcelain Crucible Covers
CoorsTekCoorsTek Chemical Porcelain For Crucibles, Glazed all over except for rim. Made of 99.8%-pure Aluminum Oxide. Recommended for use with CoorsTek® Alumina Crucibles AD-998 ware is highly refractory, meant for use in reducing and oxidizing atmospheres.
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Porcelain Crucibles, Wide Form with Lid
United Scientific SuppliesWide form crucibles include lids. Crucibles are glazed on inner and outer surfaces except for the outside bottom and rim. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of…
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High Form Nickel Crucibles
Thomas®Nickel forms an adherent oxide film that provides its corrosion resistance up to temperatures around 600°C. It's highly resistant to alkalis and most acids, however, it is attacked by oxidizing acids like nitric and by salt solutions containing oxidizing species.
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Porcelain Crucibles, Tall Form with Lid
United Scientific SuppliesTall form crucibles include lids. Crucibles are glazed on inner and outer surfaces except for the outside bottom and rim. Important properties of United porcelainware include: Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually…
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Low Form Zirconium Crucibles
Thomas®Highly resistant to most reagents Soluble in hydrofluoric acid Withstands temperatures up to 900°C Low form crucible is 0.89 mm thick zirconium. Will begin to oxidize with prolonged exposure to air at temperatures above 550°C. Not recommended for use with fluoboric or…
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Porcelain Crucibles, Gooch with Lid
United Scientific SuppliesGooch crucibles have a perforated bottom and include lids. Crucibles are glazed on inner and outer surfaces except for the outside bottom and rim. Used for determination of total suspended solids. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56…
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Low Form Inconel Crucibles
Metal TechnologyInconel® alloy 601 has excellent resistance to oxidation in the 1000° to 1200°C temperature range and also has good corrosion resistance to many acid and aqueous salt solutions.
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High Form Crucibl Coors Proc
CoorsTekThis CoorsTek AD-998 High-Alumina labware high form crucible is made of 99.8%-pure aluminum oxide. It is highly resistant to alkalies and other fluxes This alumina-ceramic ware is especially useful to chemists, metallurgists, and others involved in high-temperature work demanding…
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Conical High Alumina Crucibles
United Scientific SuppliesUnited high alumina crucibles are made of 99.7% pure aluminum oxide. Highly resistant to chemical attack. Recommended for chemists, metallurgists and others involved in high temperature work demanding contamination free results.
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Porcelain Crucible w/o Cover
Vee Gee ScientificOur porcelain Crucible is manufactured with the highest standards. The crucible is glazed inside and out except for outside bottom surface and rim.
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Coors(TM) high alumina combustion boat
MilliporeSigmaLegal Information: Coors is a trademark of Coorstek, Inc.
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Porous-Bottom Crucibles
United Scientific SuppliesPorous-bottom crucibles have a molded-in porous disc with stable porosity and consistent flow rate. Available with very fine (1.2 µm), fine (5 µm), and medium (15 µm) pore diameters. Glazed inside and out, except for outside bottom and rim. Autoclavable.
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Zirconium oxide crucible, Yttria stabilized, cylindrical, flat base; HtxOD (mm),…
Thermo Scientific ChemicalsHarmonized Tariff Code: 6903.90
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Wide Form Crucible
CoorsTekThe CoorsTek crucible is made of porcelain that withstands extreme temperatures, corrosive environments and thermal shock, ensuring durability and reliable performance. The interior and exterior of the wide-form crucible are glazed. Wide form, glazed inside and out except for outside bottom…
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Tall Form High Alumina Crucibles
United Scientific SuppliesUnited high alumina crucibles are made of 99.7% pure aluminum oxide. Highly resistant to chemical attack. Recommended for chemists, metallurgists and others involved in high temperature work demanding contamination free results.
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NICKEL CRUCIBLES
United Scientific SuppliesUnibody construction from sheet nickel, polished inside and out. Can withstand temperatures up to 600°C. Covers included.
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Zirconium oxide, Yttria stabilized, crucible, round bottom, high form;Ht(mm),29…
Thermo Scientific ChemicalsHarmonized Tariff Code: 6903.90
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Porcelain Crucible Cover
Vee Gee ScientificOur porcelain Crucible Cover is manufactured with the highest standards. The ring handle is glazed inside and out except for rim.
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Low Form Zirconium Crucibles
Metal TechnologyZirconium is our most effective crucible material for fusions using sodium carbonate or sodium peroxide. It is an excellent low-cost replacement for platinum.
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Crucible Gooch High Form Fritted 30mm
DWK Life Sciences (Kimble)Designed for collecting, drying and weighing precipitates and samples to be analyzed using gravimetric analysis. Fritted disc is sealed into the crucible KIMAX® crucible suitable for precipitates to be dried to a constant weight at 110 °C Manufactured from 33 expansion, low…
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Platinum crucible lid fits 25 mL crucible
MilliporeSigmaPlatinum labware has excellent resistance to acids such as acetic, hydrochloric, hydrofluoric, hydroiodic, nitric, selenic, and sulfuric, and to oxidation at high temperatures. Crucible lids of platinum can be cleaned by boiling in a suitable solvent.For the removal of substances which have alloyed…
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Crucible for basic laboratory use to heat chemical compounds Tall form body with lid Constructed of glazed porcelain for strength, thermal performance, and enhanced chemical resistance Can withstand temperatures up to 1900°F (1050°C) 2" diameter x 1.75" height. 10 pack of 50mL high quality…
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Nickel Crucibles
Dual ManufacturingOur crucibles are manufactured using 99.99% pure virgin nickel. These items are suitable for fusions, including those using sodium peroxide and highly resistant to dilute alkalies. The crucibles have an optional nickel cover. The covers are flat, pressed from one piece, and have an extension on…
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Stainless Steel Crucibles
United Scientific SuppliesUnibody construction from Type 304 stainless steel Can withstand temperatures from -180°C to 800°C Covers included
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Nickel crucible High form
MilliporeSigmaHigh resistance to dilute alkalis at low cost. Used for sodium peroxide fusions in the analysis of zirconium. Also used in analyses for niobium, tantalum, or low levels of phosphorus. Order covers separately.
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Coors(TM) high alumina combustion boat
MilliporeSigmaLegal Information: Coors is a trademark of Coorstek, Inc.
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Alumina Crucibles
CoorsTekChoose from high form, conical and cylindrical 99.8% Al2O3 Withstands temperatures up to 1,750°C Uses covers Useful for determinations involving molybdenum, platinum, rhodium, tungsten, tantalum and iridium.
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Cylindrical High Alumina Crucibles
United Scientific SuppliesUnited high alumina crucibles are made of 99.7% pure aluminum oxide. Highly resistant to chemical attack. Recommended for chemists, metallurgists and others involved in high temperature work demanding contamination free results.
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Fused, fritted glass disc Polished ends Pore size: coarse, 40-60 µm, medium, 10-15 µm, fine 4-5.5 µm 30 mL disc diameter: 30 mm; fits tube i.d. 36 mm, 50 mL disc diameter: 40 mm; fits tube i.d. 42 mm.
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Porcelain Squat Form Crucibles
CoorsTekGlazed throughout with the exception of outside bottom surface
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Ceramic Crucible Cover
CoorsTekThe CoorsTek cover is compatible for use with various kinds of crucibles. It is glazed all over but except for the rim. It is suitable for use in research laboratories.
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Nickel Crucibles
HumboldtNickel crucibles constructed from pure heavy sheet nickel. They are suitable for fusions, including those with sodium peroxide, and are highly resistant to dilute alkalies. Flat-style nickel crucible covers with depression in center for centering on crucibles. Extension on one side for handle.