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聚钨酸钠在重介质分级中的应用现状

Application Status of Aqueous Sodium Metatungstate Solutions in Density Separation Reseach
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摘要 聚钨酸钠因其密度高、无毒、易配制及可循环利用等优点,在地质学、土壤学及海洋生物学等领域密度分离研究中得到广泛应用:在地质学中主要应用于矿物及沉积岩的分离,为微细粒纯矿物的分离提供了一条新途径;在土壤学中主要应用于分离土壤中的团聚体大颗粒、有机质及腐殖酸等;在海洋生物学中主要应用于分离古微生物以及有机质。利用聚钨酸钠溶液进行密度分离具有操作流程简单、效果稳定等特点,更重要的是不改变被分离物质的物化性能。 Inorganic heavy-liquid sodium polytungstate, with the characteristics of high density, nontoxic, easily prepared and cyclic utilization, have been widely applied in geology, soil science, and marine biology. It is used for separating the mine and rock in geology, providing a new way for the separation of micro-fine simple mineral. For soil science, it is applied to separate the soil aggregation particles, organic matter, and humic acids. It is used for separating the microorganism and organic matter in sediments in marine biology. The sodium polytungstate density separation operation is simple and stable,and most inportantly the physic-chemical property of matter will not change.
出处 《现代矿业》 CAS 2014年第7期151-155,174,共6页 Modern Mining
基金 国家自然科学基金资助项目(编号:51104048) 福州大学发展基金项目(编号:2011-XQ-30) 福州大学科研启动基金项目(编号:022387) 福州大学本科生科研训练计划项目(编号:15103)
关键词 聚钨酸钠 密度分离 地质学 土壤学 海洋生物学 Sodium polytungstate, Density separation, Geology, Soil science, Marine biology
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