Filtry z włókna szklanego GF/B, bez lepiszcza
Filtry GF/B są grubymi filtrami o retencji drobnych cząstek oraz wysokim ładunku. Są szczególnie polecane do klaryfikacji płynów oraz w cieczowym liczniku scyntylacyjnym (LSC).
Whatman™'s brand Grade GF/B is a thick filter with fine particle filter and good loading capacity. GF/B filters are particularly useful for liquid clarification and liquid scintillation counting.

• Nominal particle retention of 1.0 µm
• Appropriate for liquid clarification and/or liquid scintillation

We offer a wide range of glass microfiber filters to support your analyses. See the Whatman™ range of glass, binder-free filters to find the thickness and particle retention for your application.

GF/B fine particle filter benefits
Liquid scintillation counting requires a fine particle filter, preferably with a high loading capacity. Grade GF/B filters are ideal for this and similar applications such as waste characterization and liquid clarification for suspended solids analysis.
Filtry z włókna szklanego GF/B, bez lepiszcza
Filtry z włókna szklanego GF/B, bez lepiszcza
Application Used in LSC techniques where high loading capacity is required. 
Grade Grade GF/B 
Nominal Air Flow Rate 12 s/100 ml/in2 
Nominal Thickness 675 µm
Nominal Basis Weight 143 g/m2
Max recommended temperature 550 °C 
Material Borosilicate glass 
Binder Type Binder Free 
Typical Particle Retention in Liquid 1.0 µm 
Typical water flow rate 81 ml/min 
Product Product Name Format Dimensions
1821-021 Grade GF/B Filter for Liquid Scintillation; 21 mm circle (100 pcs) Circles 21 mm
1821-024 Grade GF/B Filter for Liquid Scintillation; 24 mm circle (100 pcs) Circles 24 mm
1821-025 Grade GF/B Filter for Liquid Scintillation; 25 mm circle (100 pcs) Circles 25 mm
1821-037 Grade GF/B Filter for Liquid Scintillation; 37 mm circle (100 pcs) Circles 37 mm
1821-042 Grade GF/B Filter for Liquid Scintillation; 42.5 mm circle (100 pcs) Circles 42.5 mm
1821-047 Grade GF/B Filter for Liquid Scintillation; 47 mm circle (100 pcs) Circles 47 mm
1821-055 Grade GF/B Filter for Liquid Scintillation; 55 mm circle (100 pcs) Circles 55 mm
1821-060 Grade GF/B Filter for Liquid Scintillation, 60 mm circle (100 pcs) Circles 60 mm
1821-070 Grade GF/B Filter for Liquid Scintillation; 70 mm circle (100 pcs) Circles 70 mm
1821-090 Grade GF/B Filter for Liquid Scintillation; 90 mm circle (25 pcs) Circles 90 mm
1821-110 Grade GF/B Filter for Liquid Scintillation; 110 mm circle (25 pcs) Circles 110 mm
1821-125 Grade GF/B Filter for Liquid Scintillation; 125 mm circle (25 pcs) Circles 125 mm
1821-150 Grade GF/B Filter for Liquid Scintillation; 150 mm circle (25 pcs) Circles 150 mm
1821-185 Grade GF/B Filter for Liquid Scintillation; 185 mm circle (25 pcs) Circles 185 mm
1821-271 Grade GF/B Filter for Liquid Scintillation; 2.25 x 12.25 in sheet (100 pcs) Sheets 2.25 x 12.25 in
1821-914 Grade GF/B Filter for Liquid Scintillation; 460 x 570 mm sheet (5 pcs) Sheets 460 x 570 mm (18.11 x 22.44 in)
1821-915 Grade GF/B Filter for Liquid Scintillation; 460 x 570 mm sheet (25 pcs) Sheets 460 x 570 mm (18.11 x 22.44 in)
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