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    กระดาษกรอง Ashless filter paper (MN 640 de)

    Ashless filter papers

    For quantitative analysis and filtration with low blank values 

    Ashless filter papers are particularly suited for quantitative routine  analysis and are manufactured from refined pulp and linters. They are acid-washed and have an extremely low ash content of 0.01%. The amount of a-cellulose is about 95%.

    Ashless filter paper grades

    Very slow filtration for extremely fine precipitates.

    Filter Papers – Filtrierpapiere

    Grade / Sorte                                            MN 640 de
    Weight / Gewicht [g/m2]                            100
    Thickness / Dicke [mm]                              0,2
    Filtration speed / Filtriergeschwindigkeit       195
    Surface / Oberfläche                                   smooth / glatt
    Ash content / Aschegehalt (%)                     < 0,01
    Average retention capacity /                         1 – 2
    mittleres Rückhaltevermögen

    Applications and properties /                        Ashless, very slow
    filtration, for extremely fine
    precipitates /

    Anwendungen und Eigenschaften                  Aschefrei, sehr langsam
    filtrierend, für feinste

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