Ahlstrom 6100-2500 Qualitative Filter Paper, Slow Flow, Grade 610, 25Cm

Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Ahlstrom offers a complete range of low ash filter papers for general laboratory work that provides you with the correct combination of particle retention, filtration speed, loading capacity and wet-strength. Qualitative analysis, low ash content 0.06 percent, untreated, consistent performance, wet-strengthened grades, custom cut. These grades contain a high level of alpha-cellulose that provides high purity but will weaken when wet. The inherent strength of standard (untreated) grades does not pose a problem when they are used in routine quadrant folded applications. We do not recommend these grades for use in vacuum work or when wet handling is required. This grade is a slow flowing filter designed to retain fine particles encountered in qualitative analysis. Ahlstrom 610 is widely used for water analysis, biological products and fine precipitates such as coldprecipitated barium sulfate.

Product Features

  • Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance
  • Qualitative grades consist of greater than 95 percent super refined a-cellulose and linter fibers
  • Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications
  • This grade is a slow flowing filter designed to retain fine particles encountered in qualitative analysis
  • Ahlstrom 610 is also used in buchner funnels and to clarify cloudy suspensions



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