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  • Products (50)
  • 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
  • Porcelain Gooch Crucibles

    CoorsTek
    With perforated bottom Used for suspended solids determinations
  • Alumina Crucibles

    CoorsTek
    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.
  • 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…
  • Porcelain Filter Crucibles

    CoorsTek
    Glazed throughout with the exception of outside bottom surface Outside diameter is measured at the top of the crucible
  • Crucible, Gooch

    CoorsTek
    Gooch, with perforated bottom and two wall holes for suspending in extraction apparatus. Glazed inside and out except for outside bottom surface and rim. Used for total suspended solids determination.
  • 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.
  • Clay Triangles

    GSC International, Inc.
    The perfect tool for suspending a crucible. The uniform clay tubes supports the crucible and the galvanized iron wire resists rusting.
  • Nickel Crucibles

    Humboldt
    Nickel 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.
  • 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…
  • 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
  • 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.
  • 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.
  • Crucible Cleaning Kit

    Metal Technology
    Crucible cleaning kits contain all the material you need to safely clean most types of laboratory crucibles, including zirconium, nickel, molybdenum, tantalum and platinum, as well as ceramics and glass. Kits also include a supply of liquid cleaner, a variety of abrasive materials, and complete…
  • 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…
  • 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.


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