有机化学 ›› 1989, Vol. 9 ›› Issue (4): 371-373. 上一篇    下一篇

研究论文

有机金属化合物中碳氢钼(锌)同时快速微量测定研究

郑曼娜   

  1. 中国科学院福建物质结构研究所
  • 发布日期:1989-08-25

A rapid gravimatric method for the simultaneous microdetermination of carbon, hydrogen and molybdenum (or zinc) in organometallic compounds

ZHENG MANNA   

  • Published:1989-08-25

本文研究了有机金属化合物中碳氢(锌)的同时快速微量测定的方法。解决了含有挥发性金属残留物的化合物中碳, 氢和金属同时测定的难题, 提高了分析效率, 三元素同时测出仅需15min, 操作简便, 每次取样量为2mg。

关键词: 锌, 微量分析, 氢, 钼, 快速分析, 热解, 碳, 簇状化合物, 有机金属化合物, 同时测定, 氧化钨, 覆盖(效应)

Binuclear and trinuclear Mo-contg. compounds were covered with 20-fold WO3 and were ignited at 520-790癈 for C, H, and Mo determination In the presence of WO3, the loss of the volatile residue MoO3 was prevented. A Zn-contg. compound was also analyzed by covering the sample with 20-fold WO3 and ignited at >660癈. In the presence of WO3, Zn was oxidized completely to form ZnWO4. The method is simple and accurate. The anal. rate is 15 min per anal.

Key words: ZINC, MICRO ANALYSIS, HYDROGEN, MOLYBDENUM, RAPID ANALYSIS, THERMOLYSIS, CARBON, CLUSTER COMPOUND, ORGANOMETALLIC COMPOUNDS, SIMULTANEOUS DETERMINATIONS, TUNGSTEN OXIDE, BLANKETING(EFFECT)

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