ASTM International - ASTM UOP865-86
Phosphorus in Catalysts by Visible Spectrophotometry
|Publication Date:||29 July 2002|
This method is for determining total phosphorus in catalyst containing 0.01 to 1.0 mass-% phosphorus. Interferences are removed by an electrolytic analyzer. Samples containing higher concentrations of phosphorus can be analyzed by UOP Method 378.