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首页> 外文期刊>Environmental Monitoring and Assessment >High-performance liquid chromatography method for determination of hydrogen peroxide in aqueous solution and application to simulated Martian soil and related materials
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High-performance liquid chromatography method for determination of hydrogen peroxide in aqueous solution and application to simulated Martian soil and related materials

机译：高效液相色谱法测定水溶液中的过氧化氢及其在模拟火星土壤及相关物质中的应用

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摘要

A new method for determination of hydrogen peroxide (H_2O_2) is described. H_2O_2 reacts with iodide in the presence of ammonium molybdate and vanillic acid resulting in the formation of iodovanillic acid which is quantified by reversed-phase high-performance liquid chromatography (HPLC) and detected by UV absorption at 280 nm. The method provides a detection limit of ~0.1μM and is easy to implement. Iodovanillic acid is stable, allowing multiple measurements of the same sample, and the separation power of the HPLC yields high selectivity against potential interferences. This method will be useful for many environmental applications. The method has been applied to quantify the photochemical production of H_2O_2 by aqueous suspensions of various minerals and soils.
机译：描述了一种测定过氧化氢（H_2O_2）的新方法。 H_2O_2在钼酸铵和香草酸的存在下与碘化物反应，形成碘香草酸，其通过反相高效液相色谱（HPLC）进行定量，并通过280 nm的紫外线吸收进行检测。该方法的检测极限为〜0.1μM，易于实施。碘香草酸是稳定的，可以对同一样品进行多次测量，而HPLC的分离能力可对潜在干扰物产生高选择性。该方法对于许多环境应用将很有用。该方法已用于定量分析各种矿物质和土壤的水悬浮液对H_2O_2的光化学生成。

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