Sidney de Lima

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Questions related from Sidney de Lima

Can I use dichloromethane to extract the neutral constituents (or non-acidic) and methanol to extract the respective acids?

I usually use a KOH-modified silica column to isolate carboxylic acids from organic extracts. Can I use dichloromethane to extract the neutral (or non-acidic) constituents and methanol to extract...

22 May 2020 4,676 0 View

What is the most appropriate column (HPLC) for separating hydrocarbon, terpanes, steranes and aromatic steranes, and isorenieretanes?

I work with biomarkers applied to organic geochemistry, characterization of oil samples (petroleum), sediments, and rocks ... And intend to purify classes of hydrocarbon (saturated and...

20 September 2013 5,854 1 View