Crucibles

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  • CoorsTek 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.

  • Zirconium is our most effective crucible material for fusions using sodium carbonate or sodium peroxide. It is an excellent low-cost replacement for platinum.

  • Porcelain Crucibles, Gooch with Lid

    United Scientific Supplies

    Gooch 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…

  • Quartz Glass Crucibles

    United Scientific Supplies

    Clear quartz glass crucibles are useful for analytical applications that require ashing of samples. Can withstand a continous operating temperature of 1050°C. Lids for Clear quartz glass crucibles can withstand a continous operating temperature of 1050°C.

  • Porous-Bottom Crucibles

    United Scientific Supplies

    Porous-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.

  • Legal Information: Coors is a trademark of Coorstek, Inc.

  • CoorsTek unglazed rose style crucible. Unglazed porcelain crucible eliminates the possibility of a reaction between the sample contents and a (glazed) coating. Thermally shock-resistant. Material: Porcelain Ceramic; Capacity: 75mL, Diameter: 50mm, Height: 60mm Thermally shock-resistant …

  • NICKEL CRUCIBLES

    United Scientific Supplies

    Unibody construction from sheet nickel, polished inside and out. Can withstand temperatures up to 600°C. Covers included.

  • 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…

  • Nickel Crucibles

    Dual Manufacturing

    Our 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…

  • 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.

  • High Form Gooch Crucibles

    SP Wilmad-LabGlass

    With fused-in fritted glass disc, these high form Gooch crucibles, made of borosilicate glass, are for analytical work involving precipitation, drying, and weighing. They are particularly suitable when precipitates will not be dried at temperatures above 110°C and may be used at higher…

  • Nickel crucible High form

    MilliporeSigma

    High 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.

  • Crucible Holder

    Plasticoid

    For 25 mL porcelain Gooch crucibles A combination rubber stopper and crucible holder with glass funnel insert Dimensions 57 mm length, tapered from 38 mm diameter at top to 22 mm diameter at bottom; length of tapered portion 35 mm Fits 4948F21 and 4948H23 series Filter Flasks, 125 to…

  • Bitumen, with perforated bottom, glazed inside and out except for outside bottom surface and rim. Used for similar applications as Gooch crucibles.

  • With perforated bottom Used for suspended solids determinations

  • Tall Form High Alumina Crucibles

    United Scientific Supplies

    United 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.

  • Harmonized Tariff Code:  6903.90

  • Glazed throughout with the exception of outside bottom surface

  • With fritted disc. Disc diameter 30mm, height above disc is 45mm. All porosities of a given size are priced the same.

  • 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…

  • Choose 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.

  • Standard Shape Platinum Crucibles

    XRF Scientific Americas Inc.

    Standard shape crucible made from 99.95% pure Platinum and Platinum alloys are manufactured to endure harsh use with their thicker base and lighter wall construction.

  • Porcelain Crucible Cover

    Vee Gee Scientific

    Our porcelain Crucible Cover is manufactured with the highest standards. The ring handle is glazed inside and out except for rim.

  • Harmonized Tariff Code:  6903.90

  • Harmonized Tariff Code:  6903.90

  • Harmonized Tariff Code:  6903.90

  • Harmonized Tariff Code:  6903.90

  • Harmonized Tariff Code:  6903.90

  • Harmonized Tariff Code:  6903.90

  • Inconel® 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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