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有机试剂在无机离子的测定中得到了特别广泛的应用。最近几年所提出的新试剂的数目很多,目前已超过1000个品种。在解决具体的分析任务时,分析工作者经常十分困难地由这样多的品种中,选择出最为有效的试剂。在很久以前,就有人对已出现的试剂进行了筛选和评定工作。在国外可以以А.Окач的评述(1939～1940)、Венгер和Дукерт(1941～1945)的著作集以及其它的报导来作为这类著作的例子。纯化学和应用化学国际联合会(ЮПАК)所属的分析反应和试剂委员会也做了大量工作并出版了几部分析试剂报告集。
Organic reagents are particularly widely used in the determination of inorganic ions. The number of new reagents proposed in recent years has been quite large and currently exceeds 1000 varieties. In resolving specific analytical tasks, it is often very difficult for analysts to choose from as many varieties as possible to select the most effective reagents. A long time ago, screening and assessment of reagents that had appeared were carried out. An example of this type of work can be found abroad in the writings of А.Окач (1939-1940), in the collections of Венгер and Дукерт (1941-1945), and in other reports. The Analytical Reaction and Reagent Commission to which the International Federation of Pure and Applied Chemistry belongs (ЮПАК) also did a great deal of work and published several analytical reagent report sets.