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  • Products (57)
  • 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.
  • 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…
  • Porcelain Gooch Crucibles

    CoorsTek
    With perforated bottom Used for suspended solids determinations
  • 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.
  • 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 porcelain…
  • Nickel Crucibles and Covers

    Sci Labs USA
    Made From one-piece ASTM (A 494) Standard Pure Nickel sheet Trimmed to final form High form Crucibles and covers are sold separately Covers are made from the same nickel material Withstand temperatures up to 800°C (1472°F)
  • 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…
  • Bitumen Crucible, 28ml

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

    Thomas®
    Withstand temperatures up to 2700° F Without covers
  • 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 fluorosilic…
  • Conical 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.
  • High Form Crucibl Coors Proc

    CoorsTek
    This 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…
  • Herman Inquarts

    Bico
    Herman Inquarts are little pellets of lead bullion, each containing a definite amount of silver. Just add one to the crucible before fusing or tap it into the cleaned lead button before cupellation and you can be sure of complete and accurate parting. No preliminary weighing of the added silver. No…
  • 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.
  • Nickel-Chromium Crucible

    Sci Labs USA
    Made from uniform ASTM Standard Nickel-Chromium Alloy Withstands temperatures up to 1000°C (1832°F) For volatile matter tests Also for ignition, ashing, and incineration purposes where free acids are not present Determines volatile matter in coke High-Form Cover sold…
  • 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.
  • Zirconium Crucible

    Sci Labs USA
    Made From one-piece ASTM (B 352-85) Polished Solid Zirconium Strip Ideal for sodium peroxide fusions conducted by hand over gas flame Withstands about 100 two-to-five-minute fusions between 460°C (860°F) and 900°C (1652°F) Trimmed to final form Low-Form
  • Crucible Gooch High Form Fritted 30mm

    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…
  • Crucible, Rose 75ml

    CoorsTek
    The unglazed porcelain rose style crucible eliminates the possibility of a reaction between the sample contents and a (glazed) coating. Material: Porcelain ceramic Thermally shock-resistant Maximum temperature for use: 1400°C
  • Straight Wall Tantalum Crucibles

    Metal Technology
    Tantalum is one of the most corrosion resistant ductile metals exhibiting resistance to mineral acids except hydroflouric acid, acid solutions containing fluoride ions, or free sulfur trioxide and is embrittled by alkaline materials. It is resistant to many molten metals, including lithium and…


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