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The bombardment of organic samples by the ionization products of trimethyl-pentaphenyl trisiloxane was found to have a strong effect on the sputtering yield of molecular parent ions of thermally labile compounds. For the tetra-saccharide stachyose an order of magnitude higher yield was obtained with fast molecular ion than with fast Hg atom bombardment. This difference decreased from tetra to disaceharides and was smallest for arginine.
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Wong et al. (1982) studied this question.
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