Steel and iron. Determination of total carbon and sulfur content. Infrared absorption method after combustion in an induction furnace (routine method) (ISO 15350:2000)
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This International Standard specifies an infrared absorption method, after combustion in an induction furnace, for the determination of the total carbon and sulfur content in steel and iron. The method is applicable to carbon contents of mass fraction between 0,005 % and 4,3 % and to sulfur contents of mass fraction between 0,000 5 % and 0,33 %. This method is intended to be used in normal production operations and is intended to meet all generally accepted, good laboratory practices of the type expected by recognized laboratory accreditation agencies. It uses commercially available equipment, is calibrated and calibration verified using steel and iron certified reference materials, and its performance is controlled using normal statistical process control (SPC) practices. This method can be used in the single element mode, i.e., determination of carbon and sulfur independently or in the simultaneous mode, i.e., determination of carbon and sulfur concurrently.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Principle
3.1 Carbon
3.2 Sulfur
4 Reagents
5 Apparatus
6 Test method
6.1 Infrared (IR) absorption for carbon — Method A
6.2 Infrared (IR) absorption for carbon — Method B
ISO 10701:1994 Steel and iron -- Determination of sulfur content -- Methylene blue spectrophotometric method
ISO 13902:1997 Steel and iron -- Determination of high sulfur content -- Infrared absorption method after combustion in an induction furnace
ISO 14284:1996 Steel and iron -- Sampling and preparation of samples for the determination of chemical composition
ISO 10701:1994 Steel and iron -- Determination of sulfur content -- Methylene blue spectrophotometric method
ISO 13902:1997 Steel and iron -- Determination of high sulfur content -- Infrared absorption method after combustion in an induction furnace
ISO 14284:1996 Steel and iron -- Sampling and preparation of samples for the determination of chemical composition
ISO 437:1982 Steel and cast iron -- Determination of total carbon content -- Combustion gravimetric method
ISO 4934:1980 Steel and cast iron -- Determination of sulfur content -- Gravimetric method
ISO 4935:1989 Steel and iron -- Determination of sulfur content -- Infrared absorption method after combustion in an induction furnace
ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results -- Part 1: General principles and definitions
ISO 5725-2:1994 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
ISO 5725-3:1994 Accuracy (trueness and precision) of measurement methods and results -- Part 3: Intermediate measures of the precision of a standard measurement method
ISO 9556:1989 Steel and iron -- Determination of total carbon content -- Infrared absorption method after combustion in an induction furnace