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Predominance and Mineral Stability Diagrams Revisited

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摘要

Predominance and mineral stability diagrams are most useful if they are based on a full chemical speciation.The diagrams can then include a wide range of reactions of importance in environmental chemistry including adsorption and ion exchange reactions.They can also take into account the possible interactions between a large number of components and are able to model changes at a fixed total concentration of each component ratherthan underthe commonly used but less realistic assumption of a fixed activity.A "hunt-and-track" algorithm is described that enables predominance and mineral stability diagrams to be constructed using any general-purpose speciation program.Examples are given using PHREEQC and Orchestra.

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  • 来源
    《Environmental Science & Technology: ES&T》 |2004年第13期|3641-3648|共8页
  • 作者单位

    British Geological Survey and Centre for Ecology and Hydrology,Wallingford,Oxon OX10 8BB,U.K.;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类 环境化学;
  • 关键词

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