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Crucibles

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  • Image of Thomas Graphite Crucibles

    Thomas Graphite Crucibles

    Withstand temperatures up to 2700° F Without covers
  • Image of Thomas Nickel Crucibles

    Thomas Nickel Crucibles

    0.533 mm thick nickel in the purest grade obtainable Minimum iron and manganese content Without covers
  • Image of Thomas Zirconium Crucibles

    Thomas 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....
  • Image of Porcelain High Form Crucibles

    Porcelain High Form Crucibles

    Glazed throughout with the exception of outside bottom surface Outside diameter is measured at the top of the crucible
  • Image of Porcelain Crucible Covers

    Porcelain Crucible Covers

    Glazed all over except for rim
  • Image of Porcelain Squat Form Crucibles

    Porcelain Squat Form Crucibles

    Glazed throughout with the exception of outside bottom surface
  • Image of Porcelain Gooch Crucibles

    Porcelain Gooch Crucibles

    With perforated bottom Used for suspended solids determinations
  • Image of Crucible Holder

    Crucible Holder

    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 1,000 mL...
  • Image of Alumina Crucibles

    Alumina Crucibles

    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.
  • Image of Borosilicate Glass Filter Crucibles

    Borosilicate Glass Filter Crucibles

    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.
  • Image of Porcelain Filter Crucibles

    Porcelain Filter Crucibles

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

    Silica Crucibles

    Withstands temperatures up to 900°C Softening point of 1530°C High form Transparent Vycor® is approximately 96% silica, with linear coefficient of expansion approximately 75% less than PYREX® chemical ware.
  • Image of Standard Shape Platinum Crucibles

    Standard Shape Platinum Crucibles

    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.
  • Placeholder Image for Boekel Steel Crucibles

    Boekel Steel Crucibles

    Item #: 3328C65
    Low form Supplied without covers
  • Placeholder Image for Platinum Micro Crucibles

    Platinum Micro Crucibles

    These small cousins of the large crucible family find integral applications as testing vessels in the general analytical, glass, chemical analysis industries. As stated before, we urge you to inquire about the custom items not listed in this standard offering. We feature outstanding Quality, with...
  • Placeholder Image for Platinum Crucibles

    Platinum Crucibles

    Crucibles made from Platinum, Platinum LP, and Platinum alloys are fabricated to withstand harsh use with their platinum crucibles heavy base design and lighter wall construction. These testing "vessels" find use in the general analytical laboratories for various industries. The crucible offering...
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