Abstract
AbstractA series of saturated and unsaturated aliphatic hydrocarbon polymers previously studied by van Ooij and co‐workers has been re‐examined by static SIMS. Significant differences in the positive ion spectra have been found in several cases, particularly for the unsaturated polymers. This has important consequences for both spectral interpretation and for assessing the analytical capability of SIMS within this class of polymers. Possible reasons for these differences are discussed and ion beam damage effects are shown to be the likely cause in the case of the unsaturated polymers. A systematic comparison of negative ion spectra is reported for the first time.
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