YS/T 281.15-1994 Cobalt - Determination of carbon content - Infra-red absorption method after high frequency induction furnace combustion (English Version)
2011YS/T 281.14-2011 Methods for chemical analysis of cobalt.Part 14:Determination of carbon content.Infra-red absorption method after high frequency induction furnace combustion
1970YS/T 281.15-1994 Cobalt - Determination of carbon content - Infra-red absorption method after high frequency induction furnace combustion
YS/T 281.15-1994 Cobalt - Determination of carbon content - Infra-red absorption method after high frequency induction furnace combustion was changed to YS/T 281.14-2011 Methods for chemical analysis of cobalt.Part 14:Determination of carbon content.Infra-red absorption method after high frequency induction furnace combustion.