砷形态 combined forms ; arsenic speciation ; Arsenic species
地下水砷形态标准物质 Groundwater arsenic speciation Reference Material
砷形态分析 arsenic speciation analysis
砷形态分布 distribution of As forms
砷的形态 Arsenic form
目的：针对动物类海产品、藻类样品，建立相应的砷形态分析方法。
Objective:To develop some methods for arsenic speciation analysis which are suitable for sea animals and seaweeds.
本文综述了热力学平衡分析方法应用于砷和硒在燃煤过程中形态转化和平衡分布等方面的研究进展。
A review about thermodynamic equilibrium analysis applied to arsenic and selenium speciations from coal combustion is given in this paper.
并采用索氏提取技术和正辛醇-水萃取技术对砷、锑形态在中药中的分布特征进行了分析研究。
Soxhlet extraction system and an-octanol-water extraction system were employed for speciation analysis and research of As and se in Chinese herbs.
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