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

氮化锰铁 氮含量的测定 惰性气体熔融热导法
Nitrogen-bearing ferromanganese-Determination of nitrogen content-Thermal conductimetric method after fusion in a current of inert gas

2016-04-05

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

铬铁、硅铬合金和氮化铬铁 磷含量的测定 铋磷钼蓝分光光度法和钼蓝分光光度法
Ferrochromium, silicochromium and nitrogen-bearing ferrochromium -Determination of phosphorus content - Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method

2007-10-25

锰铁、锰硅合金、氮化锰铁和金属锰硫含量的测定　红外线吸收法和燃烧中和滴定法
Ferromanganese,ferromanganese-silicon,nitrogen-bearing ferromanganese and manganese metal—Determination of sulfur content—Infrared absorption method and combustion-neutralization method

2008-05-13

锰铁、锰硅合金、氮化锰铁和金属锰 硫含量的测定 红外线吸收法和燃烧中和滴定法
Ferromanganese，ferromanganese-silicon，nitrogen-bearing ferromanganese and manganese metal—Determination of sulfur content—Infrared absorption method and combustion-neutralization method

2022-12-30

锰铁、锰硅合金、氮化锰铁和金属锰 碳含量的测定 红外线吸收法、气体容量法、重量法和库仑法
Ferromanganese,ferromanganese-silicon,nitrogen-bearing ferromanganese and manganese metal—Determination of carbon content—The Infrared absorption method,the gasometric method,the gravimetric method and the coulometric method

2023-11-27

锰铁、锰硅合金、氮化锰铁和金属锰 磷含量的测定 钼蓝分光光度法和铋磷钼蓝分光光度法
Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of phosphorus content—Molybdenum blue spectrophotometric method and bismuth phosphomolybdate blue spectrophotometric method

2022-10-12

金属锰、锰硅合金、锰铁和氮化锰铁 铁含量的测定 邻二氮杂菲分光光度法和三氯化钛 - 重铬酸钾滴定法
Manganese metal, ferromanganese - silicon, ferromanganese and nitrogen - bearing ferromanganese - Determination of iron content - The ortho - phenanthrdine spectrophotometric method and the titanium trichloride - potassium dichromate titrimetric method

2007-09-11

锰铁、锰硅合金、氮化锰铁和金属锰 锰、硅、磷和铁含量的测定 波长色散X射线荧光光谱法（熔铸玻璃片法）
Ferromanganese,ferromanganese-silicon,nitrogen-bearing ferromanganese and manganese metal—Determination of manganese,silicon,phosphorus and iron content—Wavelength dispersive X-ray fluorescence spectrometry(Fused cast bead method)

2023-11-27

锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝分光光度法、氟硅酸钾滴定法和高氯酸重量法
Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of silicon content—Molybdenum blue spectrophotometric method, silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimetric method

2022-10-12

锰铁、锰硅合金、氮化锰铁和金属锰　锰含量的测定 电位滴定法、硝酸铵氧化滴定法及高氯酸氧化滴定法
Ferromanganese，ferromanganese-silicon，nitrogen-bearing ferromanganese and manganese metal—Determination of manganese content—Potentiometric method， titrimetric method after ammonium nitrate oxidation and titrimetric method after perchloric acid oxidation

2022-10-12