GB/T 23524-2019 Method for chemical analysis of petrochemical spent platinum catalyst—Determination of platinum—Inductively coupled plasma atomic emission spectrometry (English Version)
2019GB/T 23524-2019 Method for chemical analysis of petrochemical spent platinum catalyst—Determination of platinum—Inductively coupled plasma atomic emission spectrometry
2009GB/T 23524-2009 Test method of spent petrochemical catalyst.Determination of platinum.Inductively coupled plasma atomic emission spectrometry