Proton NMR

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12 Terms

1
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what are different proton environments displayed as?

peaks

2
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what are they measured against?

TMS

3
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why are CCl4 or deuterated solvents used?

they cannot produce peaks of its own

4
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what does the area under the peak correspond to?

the n.o. protons in that environment

5
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what does splitting cause?

peaks which are often clusters

6
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what does the splitting pattern equal?

n.o. adjacent protons +1

7
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what is a singlet?

no adjacent protons

8
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what is a doublet?

1 adjacent protons

9
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what is a triplet?

2 adjacent protons

10
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what is a quartet?

3 adjacent protons

11
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what is a multiplet?

anything more than 3 adjacent protons

12
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what is a D2O shake?

determines which signal is due to an OH proton as it will disappear.