Grade 237 Qualitative Filter Papers

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Grade 237 Qualitative Filter Papers
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. Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance. 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. All our qualitative grades consist of > 95% super refined a-cellulose and linter fibers. Key Features Quantitative analysis Low ash content 0.06% Untreated High wet-strength Consistent performance Wet-strengthened grades available Custom cut Bulk packaging     Grade Retention in µm Filtration Speed Herzberg sec/100mls Filtration Speed Rapidity mls/min Loading Capacity 237 3.0 114 60 Very High