This method is for determining the total inorganic chloride content of fresh or spent alumina and silica-alumina catalysts or catalyst supports. The range of quantitation is 0.01 to 10 mass-%.
ASTM UOP291-13 history
2015ASTM UOP291-15 Total Chloride in Alumina and Silica-Alumina Catalysts by Microwave Digestion and Potentiometric Titration
2013ASTM UOP291-13 Total Chloride in Alumina and Silica-Alumina Catalysts by Microwave Digestion and Potentiometric Titration
2002ASTM UOP291-02 Total Chloride in Alumina and Silica-Alumina Catalysts by Potentiometric Titration