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    กระดาษกรอง Ashless filter paper (MN 640 dd ≡ green ribbon, No. 44)

    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

    Slow filtration, ashless, for filtration of fine precipitates.

    Filter Papers – Filtrierpapiere

    Grade / Sorte                                            MN 640 dd
    Weight / Gewicht [g/m2]                            70
    Thickness / Dicke [mm]                              0,16
    Filtration speed / Filtriergeschwindigkeit       100
    Surface / Oberfläche                                   smooth / glatt
    Ash content / Aschegehalt (%)                     < 0,01

    Applications and properties /                      Ashless, slow filtration, for
    all fine precipitates /

    Anwendungen und Eigenschaften                 Aschefrei, langsam
    filtrierend, für alle feinen

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