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captionString[0] = 'H-1 NMR. Information about protons. Integration shows number of protons. Splitting shows how many protons on adjacent carbons (n-1), and chemical shift shows shielding.'

captionString[1] = 'CH proton. The peak is a quartet with an integration of 1. This proton is split by the three methyl protons. The chemical shift is consistent with an aldehyde.'

captionString[2] = 'CH3 proton. The peak is a doublet with an integration of 3. These protons are split by the single aldehyde proton. The chemical shift is consistent with a methyl group.'



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<FORM><TEXTAREA ROWS="7" COLS="25" WRAP=TRUE>H-1 NMR. Information about protons. Integration shows number of protons. Splitting shows how many protons on adjacent carbons (n-1), and chemical shift shows shielding.</TEXTAREA></FORM>

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