Chemical reagent - Sodium chloride
1 Scope
This standard specifies the specifications, test methods, inspection rules, packaging and marking of the chemical reagent - sodium chloride.
This standard is applicable to the inspection of the chemical reagent - sodium chloride.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 601 Chemical reagent - Preparations of reference titration solutions
GB/T 602 Chemical reagent - Preparations of standard solutions for impurity (neq ISO 6353-1: 1982)
GB/T 603 Chemical reagent - Preparations of reagent solutions for use in test methods (neq ISO 6353-1: 1982)
GB/T 609-1988 Chemical reagent - General method for the determination of total nitrogen (idt: ISO 6353-1: 1982)
GB/T 610.1-1988 Chemical reagent - General method for the determination of arsenic
GB/T 619 Chemical reagent - Regulations for sampling and acceptance
GB/T 6682 Water for analytical laboratory use - Specification and test methods (eqv ISO 3696: 1987)
GB/T 9723-1988 Chemical reagent - General rule for flame atomic absorption spectrometric analysis
GB/T 9724 Chemical reagent - General rule for the determination of pH (eqv ISO 6353-1: 1982)
GB/T 9727-1988 Chemical reagent - General method for the determination of phosphate (neq ISO 6353-1: 1982)
GB/T 9728 Chemical reagent - General method for the determination of sulphate (eqv ISO 6353-1: 1982)
GB/T 9735 Chemical reagent - General method for the determination of heavy metals (eqv ISO 6353-1: 1982)
GB/T 9738 Chemical reagent - General method for the determination of water insoluble matter (eqv ISO 6353-1: 1982)
GB/T 9739 Chemical reagent - General method for the determination of iron (eqv ISO 6353-1: 1982)
GB 15346 Chemical reagent - Packaging and marking
HG/T 3484 Chemical reagent - standard of clear liquor, made from glass dust, and standard of transparence
3 Properties
Molecular formula: NaCl
Relative molecular mass: 58.44 (according to the international relative atomic mass in 2003)
Foreword i
1 Scope
2 Normative references
3 Properties
4 Specifications
5 Test methods
6 Inspection rules
7 Packaging and marking
