钢铁及合金 氧、氮和氢含量的测定 脉冲加热惰气熔融-飞行时间质谱法（常规法）钢铁及合金 氧、氮和氢含量的测定 脉冲加热惰气熔融-飞行时间质谱法（常规法）Iron,steel and alloy-Determination of oxygen,nitrogen and hydrogen contents-TOF-mass spectroscopy method after fusion in a current of inert gas(Routine method)
Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Combustion and Inert Gas Fusion Techniques
用燃烧和惰性气体熔化技术测定钢、铁、镍和钴合金中碳、硫、氮和氧的标准试验方法