ISO 4946:1984被替代
Steel and cast iron - Determination of copper content - 2,2'-Diquinolyl spectrophotometric method
出版：International Organization for Standardization
专家解读视频
EN 24946:1990 - Equivalent
AS 1050.17-1988 - Equivalent
SS EN 24946 Ed. 1 (1991) - Identical
UNE 36329-2:1991 - Identical
PN EN 24946:2000 - Identical
BS 6200-3.12.2:1985 - Equivalent
NS ISO 4946 Ed. 1 (1990) - Identical
UNI EN 24946:1992 - Equivalent
NF EN 24946:1990 - Identical
DIN EN 24946 (1992-11) - Identical
JIS G 1219:1997 - Equivalent
NEN ISO 4946:1992 - Identical
KS D ISO 4946:2002 - Identical
