The method of determining trace chromium in soil by using potassium permanganate oxidation, iodine-starch-spectrophotometric is tested and researched into.
采用高锰酸钾氧化、碘-淀粉显色的分光光度法测定土壤中的微量铬。
A method for removing micro organic contaminations in water by using potassium permanganate for catalytic oxidation belongs to the technical field of water processing.
高锰酸钾催化氧化去除水中微量有机污染物的方法，它属于水处理技术领域。
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