2009YS/T 555.11-2009 Methods for chemical analysis of molybdenum concentrate.Determination of oil and moisture content.Gravimetry
2006YS/T 555.12-2006 Method for chemical analysis of molybdenum concentrate - Determination of total oil and water content
YS/T 555.12-2006 Method for chemical analysis of molybdenum concentrate - Determination of total oil and water content was changed to YS/T 555.11-2009 Methods for chemical analysis of molybdenum concentrate.Determination of oil and moisture content.Gravimetry.