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Crucibles

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  • Porcelain High Form Crucibles

    CoorsTek

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

  • Porcelain Gooch Crucibles

    CoorsTek

    With perforated bottom Used for suspended solids determinations

  • 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.

  • 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.

  • PYREX® 15mL Low Form Gooch Crucible with 20mm Diameter Medium Porosity Fritted…

    Corning

    These 15mL PYREX® low form crucibles have 20mm diameter medium porosity (10 to 15µm) fritted discs. They are particularly adapted to analytical work where precipitates are dried to constant weight at 110°C. They are also suitable for higher temperatures, in which case it is advisable…

  • Borosilicate Glass Filter Crucibles

    Corning

    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.

  • Porcelain Squat Form Crucibles

    CoorsTek

    Glazed throughout with the exception of outside bottom surface

  • 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 Crucible Covers

    CoorsTek

    Glazed all over except for rim

  • 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…

  • 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.

  • 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…

  • 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…

  • Straight Wall Zirconium Crucibles

    Metal Technology

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

  • 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…

  • 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.

  • 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.

  • Thomas Graphite Crucibles

    Thomas®

    Withstand temperatures up to 2700° F Without covers

  • Porcelain Filter Crucibles

    CoorsTek

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

  • 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.

  • 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)

  • Zirconium Low Form Crucibles

    XRF Scientific Americas Inc.

    Zirconium’s distinctive properties make it a popular choice for fusions and fluxes in analytical chemistry and chemical processing. Unlike crucibles made from many other materials, zirconium crucibles are highly resistant to corrosion; do not require handling with platinum tipped tongs; can…

  • 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…

  • Calyx Capsule Filter

    GVS Life Sciences

    GVS Life Sciences capsules are disposable filtration units designed for the removal of particles or bacteria from aqueous or solvent solutions and gas streams. They are ready to use, eliminating the need to disassemble, clean and reassemble filter housings. GVS Life Sciences capsules contain 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.

  • 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…

  • 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 instructions.

  • Low Form Zirconium Crucibles

    Metal Technology

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

  • 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…

  • 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.

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