We manufacture and distribute fine chemicals and laboratory
products - with quality and delivery you can count on every time.
Description Back to Top
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. Nominal particle retention of 1.6 µm. Whatman glass microfiber filters without binder are filters that combine high loading capacity with fine particle retention are well suited for applications such as water quality parameter measurements involving large sample volumes.
Grade GF/A filters can function as wastewater filters or serve as filters in the following applications:
• Water pollution monitoring of effluents
• Foodstuff analysis
• Radioimmunoassay of weak emitters
• Gravimetric determination of airborne particulates
• Stack sampling and absorption methods of air pollution monitoring
• Grade: GF/A
• Nominal Air Flow Rate: 4.3 s/100 mL/in.2
• Nominal Thickness: 260 µm
• Nominal Basis Weight: 53 g/m2
• Basis Weight: 53 g/m2
• Max. recommended temperature: 550°C
• Material: Borosilicate glass
• Binder Type: Binder Free
• Typical Particle Retention in Liquid: 1.6 µm†
• Typical water flow rate:143 mL/min.††
†Particle retention rating at 98% efficiency.
††Normalized for 9 cm diameter. Measured under gravity for comparative purposes
Image(s) are representative of the product group and not necessarily the individual product.
Shipping Back to Top
Spectrum Chemical Mfg. Corp. offers a flat fee shipping when items are shipped “directly from Spectrum warehouses” by regular UPS ground within the contiguous United States. There are some additional charges that are item specific. Not included are any expedited or LTL shipments or dIrect shipped items from Spectrum vendors or manufacturers which are charged at published carrier rates.
|Order Sub-Total||Shipping Charge|
|$0 - <$299.99||$19.25|
|$300 - <$499.99||$32.50|
|$500 - <$999.99||$44.75|
|Additional Charge Items||Shipping Charge|
|Hazard Charge - Ground||$33.00 per box|
|Hazard Charge - Air||$46.50 per box|
|Poison Pack Charge (Small)||$15.00 per box|
|Poison Pack Charge (Large)||$25.00 per box|
|Ice Pack Charge (Small)||$10.00 per box|
|Ice Pack Charge (Large)||$15.00 per box|
|Pallet Charge (Wood Pallet)||$25.00 per box|
|Pallet Charge (Plastic Pallet)||$40.00 per box|
|Fuel Surcharge (<$400 subtotal)||$5.85|
|Fuel Surcharge (>$400 subtotal)||$10.55|
Reviews Back to Top