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在环境水中快速分离和定量20纳米以下的微量二氧化在环境水中

Lijie Dong1, Xiao He2, Jingbo Chao1

  • 1Division of Chemical Metrology and Analytical Science, National Institute of Metrology, China, Beijing, 100029, China.

Analytica chimica acta
|April 5, 2025
PubMed
概括

一种新方法快速识别和量化水中的微小的二氧化纳米粒子 (TiO2 NPs). 这一突破解决了分析较小TiO2NP的局限性,这对于环境和健康风险评估至关重要.

关键词:
环境水域环境水域量化 量化 量化 量化规格分析 规格分析二氧化纳米颗粒的二氧化.

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Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
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