Für die wichtigsten Eigenschaften chromatographischer Adsorptionsmittel werden Kennzahlen vorgeschlagen und Methoden zu ihrer Messung angegeben. Mit ihrer Hilfe werden 3 Arten von Aluminiumoxyd entwickelt, deren Eigenschaften in engen Grenzen konstant sind. Die Fa. M. Woelm in Eschwege hat die Herstellung übernommen.
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