连铸保护渣 氧化锰含量的测定 高碘酸钠(钾)分光光度法和火焰原子吸收光谱法
Continuous casting powder -- The determination of manganese oxide content -- The sodium (potassium) periodate spectrophotometric method and the flame atomic absorption method
2014-05-06
YB/T 190.3-2015
连铸保护渣 总钙含量的测定 EGTA滴定法
Continuous casting mold powder - Determination of total calcium content - EGTA titrimetric method
2015-04-30
YB/T 190.10-2014
连铸保护渣 氟含量的测定 离子选择电极法
Continuous casting mold powder - The determination of fluorine content - The ion selective electrode method
2014-10-14
YB/T 190.13-2014
连铸保护渣 二氧化硅、三氧化二铝、氧化钙、氧化镁、全铁含量的测定 波长色散X射线荧光光谱法
Continuous casting mold powder - The determination of silicon dioxide,aluminium oxide,calcium oxide,magnesium oxide and total iron content - The wavelength dispersive X-ray fluorescence spectrometric method
连铸保护渣 游离碳含量的测定 燃烧气体容量法和红外线吸收法
Continuous casting mold powder - The determination of dissociation carbon content - The gas volumetric method after combustion and the infrared absorption method
2014-10-14
YB/T 190.7-2014
连铸保护渣 总碳含量的测定 燃烧气体容量法和红外线吸收法
Continuous casting mold powder - The determination of total carbon content - The gas volumetric method after combustion and the infrared absorption method