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

Sulphuric Acid, Ethanolic
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Sulphuric Acid, Ethanolic Solutions of the requisite molarity may be obtained by mixing sulphuric acid with ethanol (96%) as directed under sulphuric acid .

When ' ethanolic sulphuric acid' is followed by a percentage figure, an instruction to use sulphuric acid diluted with ethanol (96%) to produce the specified percentage v/v proportion of sulphuric acid is implied.