1 Scope
This Part of GB/T 223 specifies an infrared absorption method after combustion in an induction furnace for the determination of the total carbon content in steel and iron.
This Part is applicable to carbon contents between 0.003 % and 4.5 %.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this Part of GB/T 223. For dated reference, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, 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 6379.1 Accuracy (Trueness and Precision) of Measurement Methods and Results-Part 1: General Principles and Definitions (GB/T 6379.1-2004, ISO 5725-1: 1994, IDT)
GB/T 6379.2 Accuracy (Trueness and Precision) of Measurement Methods and Results-Part 2: Basic Method for the Determination of Repeatability and Reproducibility of a Standard Measurement Method (GB/T 6379.2-2004, ISO 5725-2: 1994, IDT)
GB/T 12805 Laboratory Glassware-Burettes (GB/T 12805-1991, neq ISO 385-1984)
GB/T 12806 Laboratory Glassware-One-mark Volumetric Flask (GB/T 12806-1991, eqv ISO 1042-1983)
GB/T 12808 Laboratory Glassware-One-Mark Pipettes (GB/T 12808-1991, eqv ISO 648-1977)
GB/T 20066 Steel and Iron-Sampling and Preparation of Samples for the Determination of Chemical Composition (GB/T 20066-2006, ISO 14284: 1996, IDT)
ISO 5725-3 Accuracy (Trueness and Precision) of Measurement Methods and Results-Part 3: Intermediate Measures of the Precision of a Standard Measurement Method
