Lab Crucibles

Lab crucibles are essential tools in scientific and industrial applications, particularly for melting, calcining, and purifying materials at high temperatures. They are crucial in laboratories, especially chemistry, where precise thermal resistance and durability are paramount. Nickel crucibles are ideal for applications requiring high-temperature resistance and corrosion protection, making them perfect for melting and alloying metals. Filtering crucibles, often made from sintered glass, allow for efficient separation of solids from liquids, essential in filtration processes. Glass crucibles offer excellent chemical resistance and are perfect for handling aggressive substances without contamination. Sintered glass crucibles combine the benefits of glass with added porosity for specialized filtration needs. These chemistry crucibles come in various sizes and capacities, catering to different laboratory requirements. Available in materials like nickel and glass, lab crucibles ensure compatibility with a wide range of substances and temperatures. Lab crucibles provide reliable performance and versatility for filtering, melting, or chemical reactions.

Lab Crucibles

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  • 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....

  • High Form 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.

  • 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.

  • 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 with Lid, Tall Form, 10mL

    LABORATORY CRUCIBLE || Crucible for basic laboratory use to heat chemical compounds. Crucible measures 1" tall and a top diameter measuring 1.25" TALL FORM || Crucible features a tall form body and includes a lid PORCELAIN CONSTRUCTION || Constructed from glazed porcelain for strength, thermal...

  • Nickel crucible High form

    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.

  • Ceramic Crucible Cover

    The 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.

  • Porcelain Crucibles, Tall Form with Lid

    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...

  • Coors(TM) high alumina combustion boat

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

  • Nickel crucible Straight wall

    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.

  • 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.

  • Quartz with Lid Crucibles

    Crucible for use in temperatures up to 1000°C. Perfect for use in muffle furnace ashing procedures. Quartz material ensures sample purity for further analysis.

  • Nickel Crucibles

    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 Crucible with Lid, Tall Form, 15mL

    Crucible for basic laboratory use to heat chemical compounds Constructed of glazed porcelain for strength, thermal performance, and enhanced chemical resistance Can withstand temperatures up to 1900°F (1050°C) Tall form body with lid A standard lab crucible to be used in high temperature...

  • High Form Crucibl Coors Proc

    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 contamination-free...

  • 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 x...

  • Coors(TM) high alumina combustion boat

    Designed for durability and efficiency in high-temperature applications, this high alumina combustion boat is a reliable addition to any lab setting. With its robust construction, the boat aids in the accurate and reliable thermal decomposition of substances, aiding in various chemical analyses. Its...

  • Low Form 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.

  • Platinum crucible lid fits 25 mL crucible

    Platinum 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...

  • Wide Form Crucible

    The 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 surface...

  • Porcelain Crucible with Lid, Tall Form, 50mL

    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 Smooth and easy to clean glazed surface Stands 2.5" tall, with a 2" diameter and a 2.5" lid diameter Crucible for...

  • High Form Ceramic Crucible

    The 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 high-form crucible are glazed. High form, glazed inside and out except for outside bottom surface...

  • Crucible High Form 30ml Stainless Steel with Cover

    The stainless-steel crucible with cover helps you eliminate broken crucibles. These durable and long-lasting crucibles perform all the same experiments as you do with porcelain crucibles.

  • 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.

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