- 标准序号:BS 6068-2-26-1986
- 标准状态: 现行
- 英文名称:water quality part 2: physical, chemical and bio-chemical methods section 2.26: method for determination of free chlorine and total chlorine: colorimetric method using n, n-diethy-1, 4-phenylenediamine, for routine control purposes supersedes bs 2690: p
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