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This method is for determining low levels of sodium in gamma- and theta-alumina and silica-alumina base catalysts using atomic absorption spectrophotometry (AAS). Results can be reported on an as-received or on a volatile-free basis. The lower limit of detection is approximately 0.0002 mass-%.
UOP410-14, Sodium in Catalysts by AAS, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top