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Hello, I am struggling with separation of porphyrins (i.e. 5,10,15,20-Tetrakis(pentafluorophenyl)porphyrin, protochlorophyllide, chlorophyll a and b) using a hypercarb (porous graphite carbon)...
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Does someone have any practical experience with those columns?The producer suggest ODS-B are more suitable for hydrophilic analytes, but without any concrete information.Can they be used...
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We are working on dextran quantification in urine samples using HPLC-MS. Our first step is dextran hydrolysis using a dextranase (EC 3.2.1.11) from Penicillium sp. We need a method to control...
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