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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.
  • 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…
  • 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…
  • 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.
  • 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.
  • Porcelain Filter Crucibles

    Glazed throughout with the exception of outside bottom surface Outside diameter is measured at the top of the crucible
  • 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
  • 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)
  • Thomas Nickel Crucibles

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

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