BS 4258-6 76th Edition, June 30, 1976
Methods of Test for Phosphoric Acid (Orthophosphoric Acid) for Industrial Use Part 6: Determination of Arsenic Content
Includes all amendments and changes through Reaffirmation Notice , December 15, 1996
Additional Comments: W/D NO S/S * SAME AS ISO 3359
Published By:British Standards Institution (BSI)
Applicable to the determination of arsenic quantities greater than 0.1 mg/3kg by reference to the general method of BS 4404, possession of which is essential.