Detail of GB/T 678-2002

Introduction of GB/T 678-2002

Rational formula: CH2CH2OH Relative molecular mass: 46.07 (according to the international relative atomic mass in 1997) 1 Scope This standard specifies the technical requirements, test methods, inspection rules, packaging and marking of chemical reagent — ethanol. 2 Normative references The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, all editions listed are valid. All normative references are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the normative standards indicated below. GB/T 601-1988 Chemical reagent — Preparations of standard volumetric solutions GB/T 602-1988 Chemical reagent — Preparations of stock standard solutions GB/T 603-1988 Chemical reagent — Preparations of reagent solutions for use in test methods GB/T 606-1988 Chemical reagent — General method for the determination of water (Karl Fischer method) (eqv ISO 6353-1:1982) GB/T 611-1988 Chemical reagent — General method for the determination of density (eqv ISO 6353-1:1982) GB/T 619-1988 Chemical reagent — Regulations for sampling and acceptance GB/T 6682-1992 Water for analytical laboratory use — Specification and test methods (eqv ISO 3696:1987). GB/T 9722-1988 Chemical reagent — General rules for the gas chromatography GB/T 9723-1998 Chemical reagent — General rules for flame atomic absorption spectrometry GB/T 9733-1988 Chemical reagent — General method for the determination of carbonyl compounds (eqv ISO 6353-1:1982) GB/T 9736-1988 Chemical reagent — General method for the determination of acidity and alkalinity (eqv ISO 6353-1:1982) GB/T 9737-1988 Chemical reagent — General rules for the measurement of readily carbonizable substances (eqv ISO 6353-1:1982) GB/T 9739-1988 Chemical reagent — General method for the determination of iron (eqv ISO 6353-1:1982) GB/T 9740-1988 Chemical reagent — General method for the determination of dry residue after evaporation (eqv ISO 6353-1:1982) GB 15346-1994 Chemical reagent — Packaging and marking 3 Characteristics The reagent is a kind of colorless and transparent liquid which is volatile, can be mixed with water, chloroform, ether, etc., and is easy to absorb water.

Contents of GB/T 678-2002

Foreword i 1 Scope 2 Normative references 3 Characteristics 4 Specification (see Table 1) 5 Test 6 Inspection rules 7 Packaging and marking