6.3.2 - Spectroscopy Flashcards
(3 cards)
1
Q
standard for NMR
A
- tetramethylsilane (TMS)
- (CH3)4Si
- chemical shift value of 0 ppm
2
Q
deuterated solvents
A
- H atoms replaced by D atoms (deuterium)
- trichloromethane CDCl3
3
Q
proton exchange
A
- used to identify -OH and -NH protons
- deuterium oxide D2O added