1 Scope
This Part of GB/T 223 specifies a flame atomic absorption spectrometric method for the determination of the manganese content in steel and iron.
This Part is applicable to the determination of manganese contents (mass fraction) between 0.002%~2.0%.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this Part of GB/T 223. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties whose enter into agreement according to this Part are encouraged to research whether the latest editions of these documents are applied or not. For undated references, the latest edition of the normative document is applicable to this Part.
Contents
Foreword I
1 Scope
2 Normative References
3 Principle
4 Reagents
5 Instruments
6 Sampling
7 Analytical Procedures
8 Expression of Results
9 Test Report
Appendix A (Normative) Procedures for the Determination of Instrumental Indexes
Appendix B (Informative) Additional Information on International Cooperative Tests
Appendix C (Informative) Graphic Representation of Precision Data
GB/T 223.64-2008 引用如下标准：
* ISO 377-2: 1989 * ISO 385-1: 1984 * ISO 648: 1977 * ISO 5725: 1986 * ISO 1042: 1983 * ISO 3696: 1987
