Soyoung Na

3 Questions 9 Answers 0 Followers

Questions related from Soyoung Na

For quantitative analysis, do I have to draw a calibration curve every time I use react IR?

Hi, all. I have a question for quantitative analysis with react IR (PAT). I understand that the calibration curve should be drawn before the quantitative analysis with react IR. My question is, do...

19 July 2024 6,420 0 View

It's the same material. What makes the -NH2 peak different?

Hello everyone! I have a question about H-NMR, especially -NH2 peak. First, the material is (R)-Morpholin-3-ylmethanol hydrochloride (CAS 1212377-10-0). I analyzed H-NMR for several lots...

03 November 2020 8,702 13 View

Have you seen the peak sensitivity of -CH3 peak so low in 13C NMR?

Hello. Recently, NMR spectrum of some samples showed that the -CH3 peak is very small as shown in the figure I attached. The sample has three -CH3 functional groups, and two of these -CH3 in...

17 April 2019 5,366 9 View