研究了紫外分光光度法直接测定水中化学需氧量的方法,在试验了某些因素对测定结果影响的基础上,提出了对水样预处理的方法,确定了最佳试验方案。%We researched on determining COD with Ultraviolet spectrophotometric method, analysed factors Influencing the test results,proposed water sample pretreatment methods and found the best test plan.
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