GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods (Text of Document is in English) - Beijing translation compay

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.
GB/T 601 Chemical reagent--Preparations of standard volumetric solutions
GB/T 602 Chemical reagent--Preparations of standard solutions for impurity (GB/T 602-2002, ISO 6353-1: 1982, NEQ)
GB/T 603 Chemical reagent--Preparations of reagent solutions for use in test methods (GB/T 603-2002, ISO 6353-1: 1982, NEQ)
GB/T 9721 Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible)
GB/T 9724 Chemical reagent-General rule for the determination of pH (GB/T 9724-2007, ISO 6353-1: 1982, NEQ)
GB/T 9740 Chemical reagent - General method for the determination of dry residue after evaporation (GB/T 9740-2008, ISO 6353-1: 1982, NEQ)