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Questions related from Quynh Khoa Pham
Dear to whom it may concern, I would like to kindly ask you about the ionization of acidic and salty forms of a given compound in electrospray ionization. To be more specific, when I...
17 April 2023 8,780 3 View
Dear to whom it may concern, Based on ChemAxon, I calculated pKa values of Acesulfame as follows: 1. pKa (Strongest Acidic): 3.02 2. pKa (Strongest Basic): -6 Because I would like to convert...
26 November 2020 4,757 3 View
Dear to whom it may concern, May I ask you about the difference between porous graphitic carbon (PGC) and graphitized carbon black (GCB) in terms of surface properties, retention mechanisms, and...
11 October 2020 4,640 3 View
Dear to whom it may concern, I am investigating carbonaceous materials to treat aqueous samples but I have no knowledge of these materials. May I ask you some questions as follows? 1. Whether...
10 October 2020 3,920 1 View
Dear researchers, I would like to ask you whether the retention of analytes of interest on the C18 column can be slightly affected by buffer concentration. I have analyzed a mixture containing...
01 January 1970 1,359 12 View