WHA1443090
Whatman® quantitative filter paper, ashless, Grade 43
circles, diam. 90 mm, pack of 100
Synonym(s):
Whatman filter, Z740519
material
circles
cotton filters (high-quality cotton linters)
packaging
pack of 100
manufacturer/tradename
Whatman 1443-090
Whatman Article No. 28418057 (US reference)
parameter
0.6 psi wet burst
155 sec/100 mL speed (Herzberg)
diam.
90 mm
thickness
220 μm
ash
≤0.007%
pore size
16 μm (Particle retention)
basis weight
95 g/m2
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General description
- Inorganic analysis in the construction, mining, and steel industries
- Particle collection for air pollution monitoring for subsequent analysis by X-Ray fluorescence (XRF) techniques
- Soil analysis
- Foodstuffs filtration analysis
Features and Benefits
- Very low ash content (0.007% ash concentration maximum)
- Intermediate particle retention rating of 16 µm
- Herzberg filtration speed of 155 s
- Particle collection between that of Grades 40 and 41
Other Notes
Legal Information
Regulatory Information
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