Standard Number: DZ/T0064.70-2021(DZ/T0064.70-2021)
Chinese:地下水质分析方法 第70部分：耗氧量的测定重铬酸钾滴定法
English:Methods of analysis for groundwater quality Part 70: Determination of oxygen consumption by potassium dichromate titration
Effective Date:2021-07-01
Standard Applicability:
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