GB/T 6682-2008 in English

《GB/T 6682-2008分析实验室用水规格和试验方法》由TC63（全国化学标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。
本标准于１９８６年首次发布，于１９９２年第一次修订。本标准规定了分析实验室用水的级别、规格、取样及贮存、实验方法和试验报告。本标准适用于化学分析和无机痕量分析等试验用水。可根据实际工作需要选用不同级别的水。 本标准代替ＧＢ／Ｔ６６８２―１９９２《分析实验室用水规格和试验方法》，与ＧＢ／Ｔ６６８２―１９９２相比主要变化如下：―――增加了实验报告（本版的第８章）。

1 Scope
This standard specifies the level, specification, sampling and storage, test methods and test report of water for analytical laboratory use.
This standard is applicable to the water for chemical analysis and inorganic trace analysis tests. Water of different levels may be selected according to the requirements of actual work.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.

Contents
Foreword i
1 Scope
2 Normative References
3 Appearance
4 Level
5 Specification
6 Sampling and Storage
7 Test Methods
8 Test Report
Appendix A (Informative) Comparison Between Chapter and Article Numbers of This Standard and ISO 3696: 1987
Appendix B (Informative) Technical Differences and Reasons Between this Standard and ISO 3696: 1987
Appendix C (Normative) Reduction Formula of Conductivity