BS 4258-8 78th Edition, January 31, 1978
Methods of Test for Phosphoric Acid (Orthophosphoric Acid) for Industrial Use Part 8: Determination of Calcium Content (Flame Atomic Absorption Method)
Includes all amendments and changes through Reaffirmation Notice , 1996
Additional Comments: SAME AS ISO 3707
Published By:British Standards Institution (BSI)
Determination of calcium content down to 10 mg/kg by photometric measurement of absorption of the 422.7 line emitted by a hollow cathode calcium lamp. Also for use in the food industry.