| 海水电解质pmv的补充测定及其加和性关系的验证 |
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| 引用本文： | 季荣,陈国华,冯维,杨育红.海水电解质pmv的补充测定及其加和性关系的验证[J].中国海洋大学学报(自然科学版),1994(2). |
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| 作者姓名： | 季荣 陈国华 冯维 杨育红 |
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| 摘 要： | 首次用新研制的高精密磁力浮沉子密度计测定ＮａＨＣＯ３，ＫＢｒ，ＫＮＯ３和Ｃａ（ＮＯ３）２在盐度为３０．０和３４．７温度为２９８、１０Ｋ时的偏摩尔体积（即ｐｍｖ）。重新测定了ＮａＣｌ，ＫＣｌ．Ｎａ２ＳＯ４和ＭｇＳＯ４在海水中的ｐｍｖ，并用实验精密验证了海水中主要电解质的ｐｍｖ的加和性关系。
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| 关 键 词： | 偏摩尔体积，电解质，海水，磁沉密度计，加和性关系 |
ADDITIONAL DETERMINATION OF THE PARTIAL MOLAL VOLUMES OF SEAWATER ELECTROLYTES AND THE TESTING OF THEIR ADDITIVITY |
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| Ji Rong, Chen Guohua, Feng Wei, Yang Yuhong.ADDITIONAL DETERMINATION OF THE PARTIAL MOLAL VOLUMES OF SEAWATER ELECTROLYTES AND THE TESTING OF THEIR ADDITIVITY[J].Periodical of Ocean University of China,1994(2). |
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| Authors: | Ji Rong Chen Guohua Feng Wei Yang Yuhong |
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| Institution: | Department of Marine Chemistry |
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| Abstract: | The partial molal volumes of NaHCO3 KBr, KNO3 and Ca (NO3)2 have for the first time been determined in seawater between 30. 0 and 34. 7 salinity from precise. density measurements by a magnetic float densimeter at 298. 10K. The partial molal volumes of NaCl, KCl, Na2SO4 and MgSO4 have also been redetermined. The additivity principle of partial molal volumes of salts or ions in seawater proposed by Duedall and Weyl was precisely tested. |
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| Keywords: | Partial volume electrolyte seawater magnetic float densimeter additivity |
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