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

Potassium Iodobismuthate Solution R1
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Potassium Iodobismuthate Solution R1 Dissolve 100  g of (+)-tartaric acid in 400  ml of water and add 8.5  g of bismuth oxynitrate . Shake for 1 hour, add 200  ml of a 40% w/v solution of potassium iodide and shake well. Allow to stand for 24 hours and filter.

Store protected from light.