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1·The diastereoselective reactions of organogembismetallic reagent 3 with trialkyl tin chloride and iodine were studied.

研究了偕二金属有机试剂3与氯化三烷基锡和碘的非对映选择性反应。

2·The preparation method of the coordination methyl tin mercaptide compound comprises steps of preparing the methyl tin chloride and preparing the methyl tin mercaptide.

所述配位型硫醇甲基锡化合物的制备方法包括制备甲基锡氯化物、制备配位型硫醇甲基锡步骤。

3·The excess tin chloride addition produces black mercury precipitation and is about to seriously affect the determination of iron by using potassium chromate volumetric analysis method.

重铬酸钾容量法测铁中，二氯化锡超量产生黑色汞沉淀，严重影响测定。

4·Tin can dissolve in a strong alkali solution, in ferric chloride, zinc salt of acidic solution of such will be corrosion.

锡能溶于强碱性溶液；在氯化铁、氯化锌等盐类的酸性溶液中会被腐蚀。