3.3.15 Nuclear magnetic resonance spectroscopy Flashcards
1
Q
What is TMS and why is it used
A
Tetramethylsilane ((CH3)4 Si)
Low cost
Inert
One environment so reference
Volatility
2
Q
What are samples for NMR dissolved in
A
CCl4 for non polar substances - no hydrogen
CDCl3 for polar substances - no H (even though it’s D)
