Quantitative relationships between fragment ions and their relative intensities in electron impact mass spectrometry: VI-Hydroxy-substituted tert-alkylamines

The influence of functional group interaction on the intensity ratios (Q) of product ions from α‐fission of ethyl‐tert‐alkylamines C2H5(C3H7)(HO(CH2)n)C NHC2H5, in which one side chain of the tert‐alkyl moiety is replaced by a hydroxyalkyl group of varying chain length, was investigated. It was found that only through‐bond interaction between the functional groups has a major influence on these ratios. By substitution of a hydrogen by a halogen atom in one side chain it was shown that the so‐called ‘ion mass effect’ is a degrees of freedom effect.