This standard specifies the sodium thiocyanate spectrophotometric method for the determination of molybdenum content. This standard applies to the determination of 0.004% to 0.75% molybdenum (Mo) content in compound fertilizers.
GB/T 14540.1-1993 history
2003GB/T 14540-2003 Determination of copper,iron,manganese,zinc,boron and molybdenum content for compound fertilizers
1993GB/T 14540.1-1993 Determination method of molybdenum in compound fertilizer Sodium thiocyanate spectrophotometry
GB/T 14540.1-1993 Determination method of molybdenum in compound fertilizer Sodium thiocyanate spectrophotometry was changed to GB/T 14540-2003 Determination of copper,iron,manganese,zinc,boron and molybdenum content for compound fertilizers.