铬铁、硅铬合金和氮化铬铁 硅含量的测定 高氯酸脱水重量法
Ferrochromium, silicochromium and nitrogen - bearing ferrochromium - Determination of silicon content - The perchloric acid dehydration gravimetric method

2007-09-11

氮化铬铁和高氮铬铁 氮含量的测定 蒸馏-中和滴定法
Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content—Determination of nitrogen content—The distillation-neutralization titration method

2016-06-14

氮化铬铁和高氮铬铁 氮含量的测定 惰性气体熔融热导法
Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content-Determination of nitrogen content-Thermal conductimetric method after fusion in a current of inert gas

2016-04-05