• British Pharmacopoeia Volume IV
  • Appendices
  • Appendix I A. General Reagents

Orthophosphoric Acid
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Orthophosphoric Acid Phosphoric acid; H3PO4  =  98.00 (7664-38-2)

Analytical reagent grade of commerce containing not less than 84% w/w of H3PO4 and about 15.7m in strength.

A corrosive liquid; weight per  ml, about 1.75  g.