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Fisherbrand™ Quantitative Grade Filter Paper Circles
Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels
Description
Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels
- Made from high-quality alpha cotton cellulose, washed in hydrochloric acid and neutralized in an ultrapure water rinse
- Leave no more than 0.01% ash when burned
- Limited wet strength, suitable for gravity or low-suction filtration; should be used with care to avoid rupturing
Order Info
Packed 100 circles to a box and shrink-wrapped for purity and cleanliness.
Compliance
All papers listed in chart meet ASTM™ requirements for ash content per circle.
Specifications
Disc | |
20 to 25 μm | |
Suitable for coarse and gelatinous precipitates requiring thorough washing on paper. Used in metallurgical labs for filtering iron and aluminum hydroxides, metallic aerosols and for determining silica in steel. Also used in environmental monitoring. Limited wet strength. | |
Coarse | |
12.5 cm |
Alpha Cotton Cellulose | |
Fast | |
Q8 | |
100/box |
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