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  • Products (30)
  • 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.
  • 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…
  • 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)
  • 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-Chromium Crucible

    Sci Labs USA
    Made from uniform ASTM Standard Nickel-Chromium Alloy Withstands temperatures up to 1000°C (1832°F) For volatile matter tests Also for ignition, ashing, and incineration purposes where free acids are not present Determines volatile matter in coke High-Form Cover sold…
  • 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.
  • 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 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…
  • 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, 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
  • Porous Discs

    CoorsTek
    CoorsTek Porous Ware easily incorporates into many chemical processing, pharmaceutical, mechanical, and electronic applications. Its reliability results from years of experience, advancement, and refinement of manufacturing techniques. In chemical filtration, CoorsTek Porous Ware can separate…
  • 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…


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