珠江口海水中的硼和锶的行为研究Study on the Behavior of Boron and Strontium in Zhujiang Estuary
陈国华,王渊,张爱滨,纪红
摘要(Abstract):
采用作者研究的OP- 乳化剂增敏姜黄素分光光度法测定海水中的溶解硼,用ICP- AES法测海水中的硼和锶。发现在珠江口海水盐度2.686 ~25 .722 ,氯度1 .440 ~14 .136 为0.215 ~0 .229mg·kg- 1 ,平均值为0 .224±0 .005mg·kg- 1 mg·kg- 17 .64 ,Sr(mg·kg- 1)/Cl 比值为0.380 ~0 .663,平均值为0 .404 ±0 .016 ,两者皆在大洋海水自然变动范围之内。珠江口海水中的硼和锶浓度与海水盐度或氯度均有很好的线性关系。珠江口外南海海水盐度32 .923 ~33.446, 氯度18 .241 ~18.558 ,B浓度为4 .02 ~4 .24mg·kg- 1 ,Sr 浓度为7.64 ~7 .70mg·kg- 1 。珠江口海水实验数据统计回归线与理论释线比较后表明,珠江口海水中硼与锶均具有良好的保守性质,珠江口海水中的硼和锶主要来自湾外海海水潮汐输入。
关键词(KeyWords): 珠江口;海水;硼;锶;行为
基金项目(Foundation): 国家自然科学基金
作者(Author): 陈国华,王渊,张爱滨,纪红
DOI: 10.16441/j.cnki.hdxb.1999.s1.003
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