Duy Khang Nguyen Vu

4 Questions 3 Answers 0 Followers

Questions related from Duy Khang Nguyen Vu

What is the probable structure regarding this 1H-NMR and 13C-NMR spectra?

I have a compound of which 1H-NMR and 13C-NMR spectra (total and sketched) was recorded (in CDCl3) as in the attached file. I can see some initial signs for this compound as an alkaloid, but I'm...

24 November 2022 2,101 0 View

What is the probable structure regarding this 1H-NMR spectra?

I have a compound of which 1H-NMR spectra was recorded (in Methanol-d4) as in the attached file. I can see some similarities to simple phenolic glycosides, but I'm not sure about that. I would...

03 September 2022 8,458 1 View

What is the good dilution and measurement mode for a viscous solution for repeat Zeta potential results?

I have a viscous sample, whose dispersion medium is also viscous. I know in general that the sample must be diluted best by the medium for better results. But in this case, I'm afraid that the...

19 August 2022 10,021 4 View

Does 10 mM KCl-dilution of micro-emulsion sample lead to better Zeta potential deviation than DI water-dilution?

I measured the Zeta potential of a micro-emulsion sample, separately diluted by DI water and by 10 mM KCl solution. After 6 times of measurements, the Zeta potential results were as following: DI...

18 August 2022 5,251 4 View