ISO 9685:1991现行
Iron ores - Determination of nickel and/or chromium contents - Flame atomic absorption spectrometric method
出版：International Organization for Standardization
专家解读视频
BS 7020-16:1993 - Identical
JIS M 8224:1997 - Equivalent
JIS M 8223:1997 - Equivalent
GB/T 6730.60-2005 - Modified
KS E ISO 9685:2012 - Identical
KS E 3020:2009 - Modified
GB/T 6730.57-2004 - Modified
KS E ISO 9685:2002 - Identical
