GB/T 223.8-2000 Methods for chemical analysis of iron, steel and alloy-The sodium fluoride separation-EDTA titration method for the determination of aluminium content
This standard specifies the method for aluminium content determination by sodium fluoride separation-EDTA titration.
This Standard is applicable to the determination of 0.50% (m/m)~10.00% (m/m) aluminium content in steel and alloy.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated are valid. All standards are subject to revision, and parties using the standard shall investigate the possibility of applying the latest edition of the standards indicated below.
GB/T 222-1984 Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis
GB/T 6379-1986 Precision of Test Methods; Determination of Repeatability and Reproducibility for a Standard Test Method by Interlaboratory Tests
GB/T 223.8-2000 The following standards are cited: