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

Ethanol (96%), Aldehyde-free
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Ethanol (96%), Aldehyde-free Aldehyde-free alcohol

Mix 1200  ml of ethanol (96%) with 5  ml of a 40% w/v solution of silver nitrate and 10  ml of a cooled 50% w/v solution of potassium hydroxide. Shake, allow to stand for a few days and filter. Distil the filtrate immediately before use.