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Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine...
This Whatman 7.5 x 10cm, grade 1, cellulose filter paper sheet is the most widely used filter paper for routine applications with medium retention (11µm) and flow rate. Traditionally the grade is used in qualitative analytical separations for precip...
mpn: 1001-085, ean: 5057205005373,
These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat fil...
mpn: 1450-070, ean: 0024140194641,
Retention of finest crystalline precipitates. The thinnest of all Whatman filter papers. Slow flow rate. Hardened and highly glazed surface. This finish also keeps the paper free from loose surface fibers. Highly suitable for qualitative or quantitat...
mpn: 1444-110, ean: 5057205005458,
Thin version of Grade 42 retaining very fine particles but with lower ash weight per sample and almost twice the flow rate as Grade 42. Retention: 3µm. Diameter: 11.0cm. 100/Pack. Whatman #: 1444-110.Diameter: 11.0cm. Retention: 3µm. Grade number 4...
These filter papers are made of refined pulp and linters with over 98% alpha-cellulose content. They are guaranteed to be free of any residual acids and they have an extremely low percentage of ash content (according to DIN 54370). As a result, these...