WHA1827021
Whatman® glass microfiber filters, Grade 934-AH®
circles, diam. 21 mm
Synonym(s):
Z690708, glass fiber filter papers, glass microfiber filters
About This Item
Recommended Products
material
borosilicate glass membrane
circles
description
basis weight, 64 g/m2
sterility
non-sterile
packaging
pkg of 100 ea
manufacturer/tradename
Whatman 1827-021
Whatman Article No. 28418464 (US reference)
parameter
47 speed (filtration)
diam.
21 mm
thickness
435 μm
pore size
1.5 μm retention
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General description
Used for determining total suspended solids in water, removal of turbidity, and filtration of bacterial cultures. Grade 934-AH is used for a wide range of laboratory applications. It is recommended for water pollution monitoring, cell harvesting, liquid scintillation counting, and air pollution monitoring.
Features and benefits:
- Excellent fine particle retention: allows high particle retention efficiency when filtering large volumes
- Binder-free, high-grade borosilicate glass microfiber: enables use with temperatures up to 550ºC
- Available in a wide range of sizes: in circle and sheet formats
- High loading capacity: capable of processing very turbid streams
- Low fiber shedding: improves quality assurance of test results
Applications:
- Water pollution monitoring
- Air pollution monitoring
- Cell harvesting
- Liquid scintillation counting
Other Notes
Legal Information
Certificates of Analysis (COA)
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