Quantitative Filter Paper NO. 54
Ahlstrom manufactures a series of extremely high purity,acid washed filter papers designed for use in analyticaland gravimetric analysis. The quantitative grades aremanufactured from top quality cotton linters usingultra-pure, reverse-osmosis water and are furthertreated with dilute acid to remove any remaining organicand inorganic impurities. All quantitative grades aremanufactured in a strictly controlled environment thatensures high uniformity and high purity from filter to filter.
Key Features
Quantitative analysisLow ash content 0.07% (Acid-wash treated)High wet-strengthConsistent performanceHardened grades availableCustom cutBulk packaging
Specs.
Retention in um: 10.0Filtration Speed Herzberg Sec 100mls: 34 Filtration Speed Rapidity mls/min: 200 Load Capacity: Medium Cross Referance: 41
Ashless Grades (Ash 0.007%)
These standard ashless grades are high purity filter papers suitable forroutine quantitative gravimetric techniques and in the preparation ofsamples for use in analysis involving instrumental techniques.
Ahlstrom 54: 10μm – Fast Speed
This is a fast filtering grade for rapidfiltration of coarse particles and gelatinousprecipitates such as iron, zirconium andaluminum hydroxides, and cobalt sulfide.Ahlstrom 54 is also used in air pollutiontesting to determine gaseous compounds.It is recommended for fast analysisprocedures for unstable precipitates suchas silicon, which requires speedy filtration