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1. Crosthwaite J. M., Muldoon M. J., Dixon J. K., Anderson J. L., Brennecke J. F.
Phase transition and decomposition temperatures, heat capacities and viscosities of
pyridinium ionic liquids. //J. Chem. Thermodynamics. 2005. V. 37. P. 559-568.
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The optimal conditions of acid digestion of polymetallic concentrates witn low rhenium
content in analytical autoclaves with microwave heating are determined. It is established that autoclave sample digestion allows extract rhenium from samples rapidly and without losses of the
analyte, reduce blank correction value and improve metrological parameters of rhenium determination byICP-AES and ICP-MS methods.
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24
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The possibility of obtaining solutions of tetramethylammonium hydroxide (TMAOH) and
tetra-n-butylammonium hydroxide on the ion-exchange resin. Condition of high degree of initial
salt convert are determined.
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25