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  • Products (53)
  • Borosilicate Glass Filter Crucibles

    Corning
    Fused, fritted glass disc Polished ends Pore size: coarse, 40-60 ?m, medium, 10-15 ?m, fine 4-5.5 ?m 30 mL disc diameter: 30 mm; fits tube i.d. 36 mm, 50 mL disc diameter: 40 mm; fits tube i.d. 42 mm.
  • 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.
  • 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.
  • 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…
  • 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.
  • 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…
  • 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.
  • 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.
  • 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.
  • 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.
  • 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…
  • 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…
  • 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 x 10…
  • 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.
  • Heavy-Duty Steel Crucible

    Sci Labs USA
    Made From ASTM Standard (899-94) Series 400 Stainless Steel Heavy-duty crucibles are designed for high-temperature applications Made from one-piece sheet steel Especially alkali and peroxide fusions Low-form Cover sold separately Can withstand temperatures up to 650°C…


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