Copper and copper alloys. Determination of phosphorus content. Spectrophotometric method PAS 015 Successful experience in the use

Successful experience in the use of reference test pieces led to the requirement in ISO 148-2 that indirect verification should be performed using reference test pieces in addition to direct verification

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Copper and copper alloys. Determination of phosphorus content. Spectrophotometric method PAS 015 Successful experience in the use1 Scope This Technical Specification specifies a molybdovanadate spectrophotometric method for the determination of phosphorus in copper and copper alloys in the form of castings or unwrought or wrought products. The method is applicable to products having phosphorus mass fractions between 0,001 % and 0,5 %.