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化学需氧量是一种表示水中还原性物质多少的重要指标,能够比较精确显示污水中共有多少有机物。化学需氧量数值越大,水体的污染情况越严重,是有关部门评估水质污染情况的一个重要综合指标。文章针对重铬酸盐法测定化学需氧量的不确定度评定进行了分析探讨。
重铬酸盐法测定化学需氧量的不确定度评定
【摘 要】
：
化学需氧量是一种表示水中还原性物质多少的重要指标,能够比较精确显示污水中共有多少有机物。化学需氧量数值越大,水体的污染情况越严重,是有关部门评估水质污染情况的一个
【机 构】
：
永春县环境监测站
【出 处】
：
化工管理
【发表日期】
：
2019年35期
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