北京美同达科技有限公司
北京美同达科技有限公司
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    VWR® Glass Fiber Filters

    Binder-free VWR® glass fiber filters feature fast flow rates， high-loading capacity， wide thermal tolerance， and excellent precipitate retention. Available in three grades: Grade 691 is an ideal filter for radioimmunoassay of weak beta emitters by scintillation counting， and for filtration of precipitated proteins， cells， and cell debris. Also used for gravimetric determination of airborne particulates. Grade 693 is recommended for use in dissolved and suspended solids testing in sanitary water analysis procedures. Grade 696 is used for monitoring specific pollutants (e.g.， Hg in water)， and in marine chemistry to filter particulate components in seawater. Also used in RIA procedures and for harvesting lymphocytes during incorporation trials.

    Flow Rate

    		Fast
    Grade691693691696
    Particle Retention1.5 μm1.1 μm1.5 μm1.2 μm
    PorosityFine

    货号

    Grade
    		DiameterVWR Catalog NumberUnit
    6912.1 cm28297-976Pack of 100
    6912.4 cm28297-978Pack of 100
    6914.2 cm28297-982Pack of 100
    6914.7 cm28333-129Pack of 100
    6915.5 cm28297-984Pack of 100
    6919.0 cm28297-289Pack of 100
    69111.0 cm28297-974Pack of 100
    69112.5 cm28333-127Pack of 100
    69115.0 cm28333-125Pack of 100
    6932.4 cm28297-500Pack of 100
    6934.2 cm28297-504Pack of 100
    6935.5 cm28297-506Pack of 100
    6937.0 cm28297-508Pack of 100
    6939.0 cm28297-510Pack of 100
    6962.4 cm28333-143Pack of 100
    6964.7 cm28333-139Pack of 100
    6965.5 cm28333-137Pack of 100
    6969.0 cm28333-135Pack of 100
    69611.0 cm28333-133Pack of 100
    69612.5 cm28333-131Pack of 100

    Grade GF/A Glass Microfiber Filters， Whatman®

    Used in biochemistry for the filtration of precipitated proteins， cells， and cell debris. An ideal filter for radio-immunoassay of weak beta emitters by scintillation counting. A standard for gravimetric determination of airborne particulates. Binder-free.

    Flow Rate

    		Fast
    Particle Retention1.6 μm
    PorosityFine
    货号

    Size
    		Supplier No.VWR Catalog NumberUnit
    11 dia. cm1820-11028497-222Pack of 100
    12.5 dia. cm1820-12528497-244Pack of 100
    15 dia. cm1820-15028497-255Pack of 100
    2.1 dia. cm1820-02128497-084Pack of 100
    2.4 dia. cm1820-02428497-109Pack of 100
    2.5 dia. cm1820-02528497-110Pack of 100
    3.7 dia. cm1820-03728497-120Pack of 100
    4.25 dia. cm1820-04228497-142Pack of 100
    4.7 dia. cm1820-04728497-153Pack of 100
    46 x 57 cm1820-91583009-312Pack of 25
    5.5 dia. cm1820-05528497-164Pack of 100
    7 dia. cm1820-07028497-186Pack of 100
    9 dia. cm1820-09028497-200Pack of 100

    Grade 934-AH™ Glass Microfiber Filters， Whatman®

    Binder-free， high-purity borosilicate glass microfiber filters are used in the determination of total suspended solids， removal of turbidity， and filtration of bacterial cultures as well as in a wide range of water monitoring applications. High loading capacity allows processing of very turbid samples. Provide superior fine particle retention (1.5μm) at high flow rates. Withstand temperatures up to 550°C (1022°F).

    Ordering Information: For grade 934-AH glass microfiber filters in a RTU (ready-to-use) format， see 97040-974 series.

    Basis Weight

    		64 g/m2
    Filtration speed47 sec./100 mL (Herzberg)
    Particle Retention in Liquid1.5 μm (Particle retention rating at 98% efficiency)
    Typical Thickness435 μm
    Wet Burst17 in. (water)

    货号

    Size
    		Supplier No.VWR Catalog NumberUnit
    11 dia. cm1827-11028496-955Pack of 100
    12.5 dia. cm1827-12528496-966Pack of 100
    18.5 dia. cm1827-18528496-968Pack of 100
    2.1 dia. cm1827-02128496-751Pack of 100
    2.4 dia. cm1827-02428496-773Pack of 100
    2.5 dia. cm1827-02528297-418Pack of 100
    24 dia. cm1827-24028496-970Pack of 100
    3.2 dia. cm1827-03228496-795Pack of 100
    3.5 dia. cm1827-03528496-809Pack of 100
    3.7 dia. cm1827-03728496-853Pack of 100
    30.5 x 38.1 cm1827-88928497-991Pack of 100
    3 dia. cm1827-03028496-785Pack of 100
    4.25 dia. cm1827-04228496-875Pack of 100
    4.7 dia. cm1827-04728496-886Pack of 100
    5.5 dia. cm1827-05528496-897Pack of 100
    7 dia. cm1827-07028496-911Pack of 100
    9 dia. cm1827-09028496-933Pack of 100

    Grade 934-AH™ RTU Glass Microfiber Filters， Whatman®

    Ready-to-use (RTU) filters are supplied pre-washed and weighed according to standard method 2540D， eliminating the need for pre-treating the product prior to use. Each RTU filter is packaged within an aluminum pan with the filter weight clearly printed on a heat-resistant label.

    Binder-free， high-purity borosilicate glass microfiber filters are used in the determination of total suspended solids， removal of turbidity， and filtration of bacterial cultures as well as in a wide range of water monitoring applications. High loading capacity allows processing of very turbid samples. Provide superior fine particle retention (1.5μm) at high flow rates. Withstand temperatures up to 550°C (1022°F).

    Basis Weight

    		64 g/m2
    Filtration speed47 sec./100 mL (Herzberg)
    Particle Retention in Liquid1.5 μm (Particle retention rating at 98%)
    Typical Thickness435 μm
    Wet Burst17 in. (water)

    货号

    Diameter
    		Supplier No.VWR Catalog NumberUnit
    4.3 cm97040-974Case of 1200
    Pack of 100
    4.7 cm9907-04797040-976Case of 1200
    Pack of 100
    5.5 cm9907-05597040-978Case of 1200
    Pack of 100

    北京美同达科技有限公司欢迎您来电咨询

    tel：010-56420050、88482632

    fax：010-88482623

    mail：vivian.li**********

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