Fine Porosity

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Fine Porosity
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  • Buchner Filter Funnels

    Wilmad LabGlass

    WUsed in applications where filter paper would be attacked by the material being filtered, these borosilicate glass Buchner filter funnels with sealed-in fritted glass discs are available in Coarse(C), Medium(M), or Fine(F) porosities.

  • Grade A-E Glass Microfiber Filters


    Depth filtration glass micro fiber GRADE A-E - Fine porosity and fast flow rate, with a 1.0 µm size particle retention. Binderless borosilicate glass microfiber. DOP efficiency is 99.98%. Primarily used in suspended solids and air monitoring. Particle retention: 1.00 µm …

  • TSS Glass Fiber Filters


    …filter eliminates pin-holing and fiber-shedding to ensure consistent, accurate results comparable to 934-AH® brand filters. Fast flow rate, fine porosity and 1.5 µm particle retention makes the TSS Filter the preferred choice of environmental chemists for total suspended solids analysis of…

  • Borosilicate Glass Buchner Funnels

    United Scientific Supplies

    Manufactured from thick walled borosilicate glass, funnels include a beaded rim and a fritted disc with coarse, medium or fine porosity.

  • Hirsch Fritted Disc Funnels


    porosities of Pyrex fritted ware so that precipitates varying in size can be filtered at maximum speed with no sacrifice of retention. Porosity is controlled in manufacture, and discs are individually tested and graded into these classifications: medium porosity (10 to 15 µm) and fine porosity

  • XenoMax Washed, Dried TSS Filter

    Applied Separations

    Binder-free, fast flowing, fine porosity borosilicate glass microfiber filters have been optimized for better wet strength/handleability and high temperature (550°C) blank stability; two quality issues known to affect other brands of TSS filters. Xenomax TSSFVS Filters are readily available in…

  • Porous-Bottom Crucibles

    United Scientific Supplies

    Porous-bottom crucibles have a molded-in porous disc with stable porosity and consistent flow rate. Available with very fine (1.2 µm), fine (5 µm), and medium (15 µm) pore diameters. Glazed inside and out, except for outside bottom and rim. Autoclavable.

  • Grade F Glass Microfiber Filters


    …GRADE F - Fine porosity, medium flow rate, with a 0.7 µm size particle retention. Frequently used with Grade D to filter diluted aqueous solutions containing strong oxidizing, acidic, or alkaline components prior to laser spectroscopy. May also be used for TCLP analysis and collecting extremely fine

  • SYNTHWARE Buchner Filter Funnels

    Kemtech America

    Buchner Funnel, Fritted Disc Capacity: Multiple capacities available ranging from 2-600mL Disc OD: 10-90mm available Porosity: Xtra Course, Coarse, Medium, and Fine available Not recommended for filtration where pressure will exceed 15 psi

  • Glass Microfiber Filters, Ahlstrom 131


    …and the analysis of carbohydrates. STM 2530 Particulate Floatables Standard process to measure the quantity of particles that have a density less than that of the surrounding water, such as oil and grease, via gravity separation. Grade 131 has the fine porosity needed for this test.

  • Grade A Glass Microfiber Filters


    Depth filtration glass micro fiber GRADE A - Fine porosity, fast flow rate, with a 1.6µm size particle retention. Frequently used in the filtration of precipitated proteins and cells. Ideally suited for use as a filter for radioimmuno assay of weak beta emitters by scintillation counting…

  • Grade C Glass Microfiber Filters


    Depth Filtration Glass Micro Fiber GRADE C - Fine porosity, fast flow rate, with a 1.2 µm size particle retention. Primarily used for RIA procedures and harvesting lymphocytes. Binderless borosilicate glass microfiber. Particle retention: 1.20 µm Filtration speed: 25 seconds Thickness: 0.28 mm…

  • Grade B Glass Microfiber Filters


    Depth filtration glass micro fiber GRADE B - Fine porosity, medium to fast flow rate, with a 1.0 µm size particle retention. Ideally suited for the collection of biochemical polymers that have been precipitated by denaturation. This material is twice as thick as Grade A with a higher loading…

  • Grade 934-Ah Glass Microfiber Filters


    Depth filtration glass micro fiber 934-AH® - Fine porosity, fast flow rate, with a 1.5 µm size particle retention. This material is the standard for volatile suspended solids content and related measurements (Standard Methods 2540D and EPA Method 160.2). Also widely used in cell harvesting…

  • Thomas Grade E Glass Microfiber Filters


    Depth filtration glass micro fiber GRADE E - Fine porosity, fast flow rate, with a 1.3 µm size particle retention. This material is an economical media for suspended particle analysis in water, cell harvesting, pre-filtration and air monitoring applications. Binderless borosilicate glass…

  • CLEARANCE ITEM - Original List Price: $483.18 — FILTER UNIT. CS 1


    …and has a       capacity of 250mL with a height of 282mm -  Filter system has a fritted disc with an ultra fine (0.9 to 1.4µm) porosity and a diameter of 40mm that eliminates the need for rubber stoppers -  Designed by Dr. H.E. Morton of the University of…

  • Tube, Gas Dispersion

    Ace Glass

    For fine dispersion. Porous tip approximately 5mm or 7mm O.D. x 10mm. 7mm O.D. Tube fits #7 Ace-Thred. Offered with Porosity A (145-174 micron), Porosity B (70-100 micron), Porosity C (25-50 micron), Porosity D (10-20 micron), or Porosity E (4-8 micron

  • Crucible Gooch Low Form Fritted Medium 30ml

    DWK Life Sciences (Kimble)

    Porosity 10-15 microns Capacity (mL) 30 Height (mm) 50 Diameter (mm) 30 Shelf-Pack Qty 2 Case Qty 12   ·          Available in fine (4-5.5 microns),…

  • Scienceware® Fritware® Immersion Filters

    Bel-Art Products

    Filtration without material transfer Ideal for filtration involving recovery of solids High-density polyethylene coarse porosity disc (90-130 micron) and body Use directly or precoat for fine filtration Large filter has a serrated tubing connector

  • Quantitative Filter Papers, Ahlstrom 74 (Ashless)


    …Extraction The amount of humic acid present in coal correlates to the degree of oxidation. Because of the high solids loading, and presence of fines, the test recommends using a bi-layer filter. Grade 74 is used as the pre-filter and Grade 94 as the main filter. This will provide the necessary…

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