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Leyenda
Disponible
Disponible en 15 dÍas
Disponible en 30 dÍas
Disponible en mÁs de 30 días
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Naturally occurring amorphous silicic acids of fossil origin, also known as diatomaceous earth or diatomite. Purified for chromatographic applications. Compared to silica, kieselguhr has a small surface of low activity (application in partition chromatography). After impregnation with various substances (paraffin, silicone oil, undecane) it can be used for reversed phase chromatography.