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  • Products (30)
  • Borosilicate Glass Filter Crucibles

    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.
  • 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
  • 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…
  • 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 porcelain…
  • Thomas Nickel Crucibles

    0.533 mm thick nickel in the purest grade obtainable Minimum iron and manganese content Without covers
  • Porous Discs

    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…
  • 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…
  • 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, Rose 75ml

    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
  • 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…
  • Thomas Graphite Crucibles

    Withstand temperatures up to 2700° F Without covers
  • Crucible, Gooch

    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.

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