Crucibles Products (47)

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  • Thumbnail Image for Porcelain High Form Crucibles

    Glazed throughout with the exception of outside bottom surface Outside diameter is measured at the top of the crucible

  • Thumbnail Image for Porcelain Crucibles with Lids

    GSC International, Inc.

    A high quality porcelain crucible. The porcelain is uniform in thickness and dense which allows stable mechanical strength and little permeability. When properly used, the glazed pieces can withstand temperatures of 1050 degrees centigrade. The crucibles are glazed on the inside and outside surface.

  • Thumbnail Image for Alumina Crucibles

    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.

  • Thumbnail Image for Porcelain Gooch Crucibles

    With perforated bottom Used for suspended solids determinations

  • Thumbnail Image for Porcelain Squat Form Crucibles

    Glazed throughout with the exception of outside bottom surface

  • Thumbnail Image for Borosilicate Glass Filter Crucibles

    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.

  • Thumbnail Image for 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.

  • Thumbnail Image for Porous Discs

    CoorsTek

    CoorsTek Porous Ware easily incorporates into many chemical processing, pharmaceutical, mechanical, and electronic applications. Its reliability results from years of experience, advancement, and refinement of manufacturing techniques. In chemical filtration, CoorsTek Porous Ware can separate solid...

  • Thumbnail Image for Porcelain Crucibles, Tall Form with Lid

    United Scientific Supplies

    Tall 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...

  • Thumbnail Image for Porcelain Crucible Covers

    Glazed all over except for rim

  • Thumbnail Image for 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 1,000 mL...

  • Placeholder Image for Straight Wall Zirconium Crucibles

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

  • Thumbnail Image for Porcelain Filter Crucibles

    Glazed throughout with the exception of outside bottom surface Outside diameter is measured at the top of the crucible

  • Placeholder Image for Straight Wall Nickel Crucibles

    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.

  • Thumbnail Image for Low Form Zirconium Crucibles

    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 fluorosilic acid....

  • Thumbnail Image for Porcelain Crucibles, Wide Form with Lid

    United Scientific Supplies

    Wide 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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