Hatice Yildirim

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Questions related from Hatice Yildirim

Why do singlet peaks appear in a hydroxsyl group at 1H-NMR?

I have a sample which is an isoxazole derivative. It has an =N-OH group. In the H1-NMR spectra there are three and more singlet peaks aprox. 11ppm. Please can someone explain why?

20 November 2013 3,992 11 View

How can I take a 31P-NMR spectra?

I have some samples containing phosphorus. I need NMR spectra of these. How can I measure spectra? Should I use an internal/external reference or none? Will I make a mistake about 31P chemical...

06 March 2013 453 9 View