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 RateFastGrade691693691696Particle Retention1.5 μm1.1 μm1.5 μm1.2 μmPorosityFine

貨號(hào)

GradeDiameterVWR Catalog NumberUnit6912.1 cm28297-976Pack of 1006912.4 cm28297-978Pack of 1006914.2 cm28297-982Pack of 1006914.7 cm28333-129Pack of 1006915.5 cm28297-984Pack of 1006919.0 cm28297-289Pack of 10069111.0 cm28297-974Pack of 10069112.5 cm28333-127Pack of 10069115.0 cm28333-125Pack of 1006932.4 cm28297-500Pack of 1006934.2 cm28297-504Pack of 1006935.5 cm28297-506Pack of 1006937.0 cm28297-508Pack of 1006939.0 cm28297-510Pack of 1006962.4 cm28333-143Pack of 1006964.7 cm28333-139Pack of 1006965.5 cm28333-137Pack of 1006969.0 cm28333-135Pack of 10069611.0 cm28333-133Pack of 10069612.5 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 RateFastParticle Retention1.6 μmPorosityFine貨號(hào)

SizeSupplier No.VWR Catalog NumberUnit11 dia. cm1820-11028497-222Pack of 10012.5 dia. cm1820-12528497-244Pack of 10015 dia. cm1820-15028497-255Pack of 1002.1 dia. cm1820-02128497-084Pack of 1002.4 dia. cm1820-02428497-109Pack of 1002.5 dia. cm1820-02528497-110Pack of 1003.7 dia. cm1820-03728497-120Pack of 1004.25 dia. cm1820-04228497-142Pack of 1004.7 dia. cm1820-04728497-153Pack of 10046 x 57 cm1820-91583009-312Pack of 255.5 dia. cm1820-05528497-164Pack of 1007 dia. cm1820-07028497-186Pack of 1009 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 Weight64 g/m2Filtration speed47 sec./100 mL (Herzberg)Particle Retention in Liquid1.5 μm (Particle retention rating at 98% efficiency)Typical Thickness435 μmWet Burst17 in. (water)

貨號(hào)

SizeSupplier No.VWR Catalog NumberUnit11 dia. cm1827-11028496-955Pack of 10012.5 dia. cm1827-12528496-966Pack of 10018.5 dia. cm1827-18528496-968Pack of 1002.1 dia. cm1827-02128496-751Pack of 1002.4 dia. cm1827-02428496-773Pack of 1002.5 dia. cm1827-02528297-418Pack of 10024 dia. cm1827-24028496-970Pack of 1003.2 dia. cm1827-03228496-795Pack of 1003.5 dia. cm1827-03528496-809Pack of 1003.7 dia. cm1827-03728496-853Pack of 10030.5 x 38.1 cm1827-88928497-991Pack of 1003 dia. cm1827-03028496-785Pack of 1004.25 dia. cm1827-04228496-875Pack of 1004.7 dia. cm1827-04728496-886Pack of 1005.5 dia. cm1827-05528496-897Pack of 1007 dia. cm1827-07028496-911Pack of 1009 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 Weight64 g/m2Filtration speed47 sec./100 mL (Herzberg)Particle Retention in Liquid1.5 μm (Particle retention rating at 98%)Typical Thickness435 μmWet Burst17 in. (water)

貨號(hào)

DiameterSupplier No.VWR Catalog NumberUnit4.3 cm97040-974Case of 1200Pack of 1004.7 cm9907-04797040-976Case of 1200Pack of 1005.5 cm9907-05597040-978Case of 1200Pack of 100北京美同達(dá)科技有限公司歡迎您來(lái)電咨詢

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