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Crystal Technologies

  • Whatman Grade 1 Qualitative Filter Papers

    GE Healthcare

    A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids. A widely used standard grade filter paper for routine applications with medium retention and flow…

  • Whatman Quantitative Filter Papers, Ashless, Grade 40

    GE Healthcare

    Whatman Grade 40 high-purity filters from GE Healthcare’s Life Sciences business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications. High-purity filters contain 0.007% maximum ash content Medium…

  • Ashless Grade 42 Quantitative Filter Papers

    GE Healthcare

    A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers from GE Healthcare. Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical filtration…

  • Whatman GD/X Syringe Filters – Prefilter, Non-Sterile

    GE Healthcare

    Whatman GD/X syringe filters from GE are specifically designed for filtration of viscous or otherwise hard-to-filter samples with high solids content. Glass fiber prefiltration stack for filtering larger sample volumes with less back pressure build-up High loading capacity for samples with high…

  • Whatman Quantitative Filter Papers, Ashless, Grade 41

    GE Healthcare

    GE’s Whatman Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air. Extremely low ash content (0.007% ash maximum) 20 µm nominal particle retention rating Fast…

  • Whatman VACU-GUARD

    GE Healthcare

    The easy-to-use VACU-GUARD in-line filter devices help to confine and isolate infectious materials in vacuum systems and protect the laboratory. Excellent for protecting vacuum pump systems from solvent vapor or gaseous contaminants and aqueous aerosols. Designed for in-line use with stepped…

  • 934-AH™ Borosilicate Glass Microfiber Filters

    GE Healthcare

    1.5 µm Retention Efficient retention of small size particles to 1.5 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period …

  • Whatman Quantitative Filter Papers, Ashless, Grade 42

    GE Healthcare

    GE’s Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis. Ashless: 0.007% ash maximum Fine (2.5 µm) nominal particle retention rating, eliminates…

  • Whatman Grade GF/A Glass Microfiber Filters, Binder Free

    GE Healthcare

    GE’s Whatman Grade GF/A glass microfiber filters feature fine retention. GF/A filters are suitable for water quality parameter measurement and air filtration applications. Suitable for a wide range of liquid and air filtration applications Nominal particle retention of 1.6 µm Suitable for a…

  • Whatman Grade 2 Qualitative Filter Papers

    GE Healthcare

    A standard grade filter used for monitoring specific contaminants in the atmosphere and in soil testing. A standard grade filter used for monitoring specific contaminants in the atmosphere and in soil testing. These cellulose filters are used in qualitative analytical techniques to determine and…

  • Whatman PZ 001 Tweezers

    GE Healthcare

    PZ 001 Tweezers, stainless steel, vacuum filtration apparatus accessories. PZ 001 Tweezers, stainless steel, vacuum filtration apparatus accessories. The stainless steel forceps with smooth angled jaws (104 mm long) are highly suitable for handling membrane filters. They are autoclavable and can…

  • Grade 1 Qualitative Filter Papers

    GE Healthcare

    A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids. These cellulose filters are used in qualitative analytical techniques to determine and…

  • Whatman Quantitative Filter Paper, Hardened Low Ash, Grade 50

    GE Healthcare

    GE’s thinnest Whatman brand hardened filter paper, highly glazed Grade 50 supports vacuum filtration in Büchner funnels or Hirsch funnels and enables strong retention of very fine crystalline precipitates. Thinner filter design (average thickness 115 µm) than most…

  • Grade GF/F Glass Microfiber Filters, Binder Free

    GE Healthcare

    Whatman Grade GF/F filter from GE Healthcare’s Life Sciences business is manufactured from pure borosilicate glass. GF/F offers very fine particle retention and good loading capacity and flow rate. 0.7 µm nominal particle retention Served as the basis filter for EPA standard…

  • Whatman Cyclopore PC Polycarbonate Membrane Filters

    GE Healthcare

    GE’s Whatman Cyclopore polycarbonate membranes are true pore size microporous membranes featuring the sharp cut-off and reproducible microfiltration characteristics of track-etched membrane filters. Low affinity for stains improves visibility under a microscope Low protein binding…

  • Whatman Grade 4 Qualitative Filter Papers

    GE Healthcare

    A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. These…

  • GF/A Borosilicate Glass Microfiber Filters

    GE Healthcare

    1.6 µm Retention Efficient retention of small size particles to 1.6 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period …

  • Whatman Grade EPM 2000 Air Sampling Filter

    GE Healthcare

    GE’s Whatman EPM 2000 air filters are used in high-volume PM-10 sampling equipment. Manufactured from 100% pure borosilicate glass, they enable detailed chemical analysis of trace pollutants with minimal interference. Air retention efficiency of 99.95 percent of 0.3 µm size particulates …

  • Whatman Nylon Membrane Circles

    GE Healthcare

    High-quality nylon membranes are suitable for filtering aqueous solutions and most organic solvents. High-quality nylon membranes are suitable for filtering aqueous solutions and most organic solvents. The membranes are suitable for use with a wide range of biological preparations and can be used…

  • Ashless Grade 41 Quantitative Filter Papers

    GE Healthcare

    The fastest ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates (e.g., iron or aluminum hydroxides). Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical…

  • Whatman Grade 3 Qualitative Filter Papers

    GE Healthcare

    A standard grade filter used in qualitative analytical techniques to determine and identify materials. For use in büchner funnels. A standard grade filter used in qualitative analytical techniques to determine and identify materials. For use in büchner funnels. Prepleated qualitative filters are…

  • GF/B Borosilicate Glass Microfiber Filter Discs

    GE Healthcare

    Efficient retention of small size particles to 1.0 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period Highly resistant to chemical…

  • Whatman GD/X Syringe Filters – Prefilter, Sterile

    GE Healthcare

    GE’s Whatman GD/X sterile syringe filter is designed to support filtration of viscous, hard-to-filter samples with high solids content. Reduces need for multiple syringe filters by processing three to seven times more sample volume than syringe filters without prefilters Female luer lock for…

  • Grade 4 Qualitative Filter Papers

    GE Healthcare

    A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also…

  • Whatman Quantitative Filter Papers, Hardened Low Ash, Grade 54

    GE Healthcare

    GE’s Whatman Grade 54 filter paper has high wet strength and a larger nominal particle retention rating than comparable Büchner filtration papers, enabling fast vacuum filtration of coarse precipitates. Acid-treated for high wet-strength and chemical resistance Large nominal particle retention…

  • Whatman Puradisc Syringe Filters – Glass Microfiber

    GE Healthcare

    Whatman Puradisc syringe filters from GE Healthcare’s Life Sciences business combine premium quality with economic efficiency. They are well suited for rapid, routine syringe filtration of samples up to 100 ml. Eight different material options Choice of 4 mm, 13 mm, and 30 mm syringe filter…

  • Whatman Non-Sterile Cellulose Nitrate Membrane Filters ? 0.1 µm

    GE Healthcare

    GE’s cellulose nitrate Whatman membrane filters offer narrow sub-micron pore size distribution and low extractable levels. Very fine particles can be retained for recovery or microscopic viewing. Standard membrane filter for most applications involving particles and cells from 0.1 µm to 12.0 µm …

  • Nuclepore Track-Etched Polycarbonate (Hydrophilic) Membranes

    GE Healthcare

    Nuclepore track-etched polycarbonate membranes are manufactured from high-quality polycarbonate film and have sharply defined pore sizes, high flow rates, and excellent chemical and thermal resistance. The membranes have a smooth flat surface and exhibit very low levels of extractables. …

  • HEPA-Cap Disposable Inline Filter

    GE Healthcare

    Disposable in-line filter retains 99.97% of all particles greater than or equal to 0.3 µm Provides clean/sterile air and gases Durable polypropylene Two sizes available HEPA-CAP housing is made of durable polypropylene. Media is laminated hydrophobic-treated glass microfiber. To ensure clean…

  • Whatman Non-Sterile Mixed Ester Membrane Filters ? 0.2 µm

    GE Healthcare

    Whatman non-sterile mixed cellulose ester (MCE) filters from GE are suitable for E. coli culturing, enumeration of bacteria, and other culturing and cell counting methods. Plain and gridded options for ease of colony and cell counting methods Supports visual enumeration of bacteria …

  • Polycap TF PTFE Membrane Capsule Filters

    GE Healthcare

    For use with chemically agressive solutions Autoclavable Hydrophobic Biosafe Air evacuation vent Devices contain a PTFE membrane that provides highly efficient filtration in a very small area. Capsules with 1.0 µm pore size are supplied with a solvent-resistant…

  • Cellulose Nitrate Membrane Filters, Type WCN

    GE Healthcare

    Produced from high-purity nitrocellulose Resistant to mild acids, hydrocarbons, formaldehyde, aniline, isopropyl and petroleum ethers, oils, gasoline and kerosene Attacked by strong acids, bases, ethyl amines, ketones and esters Smooth-surfaced and flexible 0.2 µm pore size…

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