BS 4258-11 82nd Edition, November 30, 1982
Methods of Test for Phosphoric Acid (Orthophosphoric Acid) for Industrial Use Part 11: Determination of Lead Content (Atomic Absorption Spectrometric Method)
Includes all amendments and changes through Reaffirmation Notice , April 15, 1993
Additional Comments: W/D NO S/S * SAME AS ISO 6678
Published By:British Standards Institution (BSI)
Applicable to phosphoric acids having lead contents greater than 0.1 mg/kg.