Journal of the American Chemical Society

The Preparation of Optically Active Hydrocarbons by the Wurtz Reaction

RL Letsinger

文献索引：Letsinger Journal of the American Chemical Society, 1948 , vol. 70, p. 408

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被引用次数: 28

摘要

Summary A method is described by which reproducible measurements of the brightness of infrared sensitive phosphors can be made. The strontium sulfidesamarium, europium phosphor fluxed with lithium fluoride and with strontium chloride was shown to be affected by the addition of small quantities of strontium oxide. The presence of lithium fluoride or of calcium ions increases the tolerance of the phosphor toward oxide. The dependence of ...