[問題] 關於NMR的問題
問題有兩個
1.請問若以CDCl3為solvent 在CMR中CDCl3的訊號是triplet
這是因為C & D的coupling所造成的 可是為何是triplet而非doublet?
我的意思是 如果是CHCl3的話在CMR中 C & H的coupling會造成doublet,
那為何C & D是triplet呢?
2.請問這句話
CDCl3 is a common solvent for CMR because the spectrometer can
"lock" onto the signal from deuterium at a different frequency from carbon.
中的
the spectrometer can "lock" onto the signal from deuterium at a different
frequency from carbon.是甚麼意思呢?
以上 謝謝各位大大撥冗答覆^^
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