Whatman Filter Paper No 1 Uses

This whatman 1 5cm grade 1 cellulose filter paper is the most widely used filter paper for routine applications with medium retention 11µm and flow rate.

Whatman filter paper no 1 uses. Whatman 10342862 grade 2294 filter paper for technical use circle 210 mm with central hole 60 mm 100 per pack regular price. The filter papers may also be treated. It has particle retention of 11 μm at 98 efficiency. A guide to whatman filter paper grades cytiva formerly ge healthcare life sciences.

In this blog we explore properties and uses of common qualitative filter paper grades such as 1 6 595 597 598 and 602. Traditionally this grade is used in qualitative analytical separations for precipitates such as lead sulfate calcium oxalate hot and calcium carbonate. Whatman grade 1 filter paper is the most widely used filter paper for routine applications with medium retention and flow rate. 11µm particle retention the most widely used filter paper for routine applications with medium retention and flow rate extended range of sizes includes 10mm to 500mm diameter circles and 460mmx570mm sheets.

Traditionally grade 1 filter paper is used in qualitative analytical separations for precipitates such as lead. The raw materials are different paper pulps the pulp may be from softwood hardwood fiber crops mineral fibers for high quality filters dissolving pulp and mercerised pulp are used. Most filter papers are made on small paper machines for laboratory filters the machines may be as small as 50 cm width.