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文章介绍了一种能应用于Gran多次添加作图法的离子选择电极自动测定装置。该装置除样品要求用手工加入外,标准添加、测量、清洗等各步操作均按照一定的程序自动进行,电势测量结果由打印机打印,完成一个样品的分析需时十五分钟。整个测定装置包括下列几个部分:(1)离子选择电极与参比电极;(2)数字电压表及数字打印机;(3)自动电位滴定仪;(4)电动吸引器;(5)程序控制器。前四
The article introduces an automatic ion selective electrode device that can be applied to the Gran multiple addition mapping method. In addition to the sample requires manual addition of the sample, the standard addition, measurement, cleaning and other steps are automatically carried out according to certain procedures, the potential measurement results printed by the printer to complete a sample analysis takes 15 minutes. The whole measuring device includes the following parts: (1) ion selective electrode and reference electrode; (2) digital voltmeter and digital printer; (3) automatic potentiometric titrator; (4) electric sucker; Device. The first four