Bl This standard establishes the methods for the determination of phosphorus in new lubricating oils, lubricating oil additives and their concentrates. Note 1. These methods can be applied whatever types of phosphorus compounds may be present, for example tri- or pentavalent phosphorus compounds, phosphines, phosphates, phosphonates, phosphorus sulfides, etc., since all phosphorus It is quantitatively converted to an aqueous solution of ortho-phosphate ion by oxidation of the sample during the course of the analysis.
IRAM 6580-1956 history
1956IRAM 6580-1956 Determination of phosphorus content in lubricating oils, lubricating oil additives and corresponding concentrates in petroleum products