Young Cheol Ki

3 Questions 4 Answers 0 Followers

Questions related from Young Cheol Ki

In ESI positive process, can the molecule be ionized without formic acid?

Hi I'm measuring my sample using LC-MS and DI-MS. When I tried DI-MS first, I got a very low signal about 100 times lower compared to LC-MS results. Futhermore new peaks not observed in LC-MS...

08 August 2022 9,355 6 View

Is there any method to predict relative ionization efficiency (REI)?

Hello? I'm analyzing the photolysis products of organic molecule through LC-MS. Recently, we were able to obtain stable LC-MS results and are currently trying to obtain quantitative...

01 August 2022 610 2 View

Is there any way to identify the generation of formaldehyde?

Hi! I'm studying on the mechanism of one reaction. I think formaldehyde is generated as byproducts during the reaction So, Identification of formaldehyde is a strong proof for mechanism that I...

07 December 2021 8,635 6 View