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有机元素微量分析标准物质——茴香酸的研制
Preparation of Anisic Acid to used as a Standard Reference Material for Elemental Organic Analysis
【摘要】 <正> 茴香酸的分子式为C8H8O3,碳含量63.15%、氢含量5.30%、氧含量31.55%、甲氧基含量20.40%。该标样与日本元素分析恳谈会委员会、英国化学协会微量化学委员会所公布的微量化学标样之一——香草醛一样,都具有相同的碳、氢、氧和甲氧基含量,美国国家标准局(NBS)发行SRM142茴香酸作为微量分析中甲氧基的分析标样。
【Abstract】 Anisic acid of L.R. grade was recrystallized from alcohol and was futher refined by zonemelting method. The high purity material thus obtained can be used as a standard referencematerial for determination of carbon, hydrogen,oxygen element and methoxyl group in organicelemental analysis.
【关键词】 Anisic acid;
standard reference material;
【Key words】 Anisic acid; standard reference material;
【Key words】 Anisic acid; standard reference material;
- 【文献出处】 分析测试通报 ,Journal of Instrumental Analysis , 编辑部邮箱 ,1989年01期
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