1. 1) Japan. Industrial Standard Committee, Iron and steel—Methods for determination of carbon content, JIS G1211 (Japan Standard Association), (1995).
2. 2) Japan. Industrial Standard Committee, General rules for determination of carbon content, JIS Z2615 (Japan Standard Association), (1996).
3. 3) International Organization for Standardization; Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnace, ISO 9556 (ISO).
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5. 5) T. Ashino: Bunseki, (1999), 53–54.