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Grade GF/A Fine Retention Filter, 21 mm circle (100 pcs) 1820-021 Whatman / GE Healthcare

Our Price:
38.95
List At:
41.91
Your Save:
2.96
SKU
1820-021
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GE Whatman Glass Microfiber Filters GF/A are autoclavable and binder-free. They can withstand temperatures up to 500°C, making them ideal for air filtration and analysis of volatile materials where ignition is involved. The filters are made from chemically inert, 100% borsilicate glass.
Glass microfiber filters are generally used for spot tests and liquid scintillation counting methods. A fine capillary structure allows the filters to absorb larger quantities of water than an equivalent cellulose filter. Filters can be made transparent for microscopic examination.
GF/A glass microfiber filters are approved for general purpose applications. They offer fine particle retention, high flow rate, and good loading capacity. Recommended applications include: gravimetric determination of airborne particles, stack sampling, and absorption methods of air pollution monitoring.
Key Features
  • Binder-free
  • Autoclavable
  • Can withstand temperatures up to 500°C

This listing is for Pack of 100.
Specifications for Whatman® Glass Microfiber Filters - GF/A
Grade: GF/A
Description: Fast, high loading
Particle Retention in Liquid (µm): 1.6
Filtration Speed Herzberg (s): 62
Air flow (s/100 ml/in²): 4.3
Typical Thickness (µm): 260
Basis Weight (g/m²): 53 Diameter: 2.1cm
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