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ce ding xi shi huo nong suo biao zhun hai shui he kcl rong ye zhi jian de dian dao lv bi , jian li 1978 shi yong xin yan biao
Author(s): 
Pages: 121-139
Year: Issue:  3
Journal: Ocean Technology

Keyword:  海水电导率电导池常数标准海水电桥测量电阻率标准溶液测量电阻长颈瓶关系式温度;
Abstract: <正> 序言我们实验室测定电导率时使用的基本原理是利用惠斯登交流电桥测量溶液的电阻。技术程序包括测量一定体积海水的电阻R和温度t。用仲斯型电桥(Γeeds和Northrup公司,4666型)测量电阻,用A.C电桥(A.S.L公司,H7型)和铂电阻(Tinsley公司,5187SA型)测量温度,用Jones型电导池(Beckman公司,6J型)确定海水的体积。用KCl标准溶液(Jones和Bradshaw,1933)确定该电导池的尺寸(或由电导池所限定的海水体积)。KCl溶液的电导率已事先准确知道,物理化学家们用它们作为电导率标准溶液。
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