Synthesis and Deep Purification of Tin Tetrachlorideстатья
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Дата последнего поиска статьи во внешних источниках: 4 марта 2022 г.
Аннотация:The results of development of physicochemical fundamentals for the synthesis and deep purification of tin tetrachloride have been described. The samples of SnCl4 have been prepared from elements in aspecially designed quartz installation. Prepared SnCl4 has been purified by rectification on a perforated-platecolumn. It has been revealed by mass spectrometry that the content of lead admixture after SnCl4 rectificationdecreases from 120 to 2 ppm, and the content of admixtures of other metals decreases considerably. Separation factors in liquid–vapor system for hardly separable admixtures have been calculated. The purity of SnCl4samples has been confirmed by IR and Raman spectroscopy. The prepared SnCl4 samples contained 10–4 wt %of admixtures.