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
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Description / Abstract:
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.