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

Cupri-tartaric Solution R1
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Cupri-tartaric Solution R1 Fehling's solution

Solution A Dissolve 34.6  g of copper( ii ) sulphate in a mixture of 0.5  ml of sulphuric acid and sufficient water to produce 500  ml.

Solution B Dissolve 176  g of potassium sodium (+)-tartrate and 77  g of sodium hydroxide in sufficient water to produce 500  ml.

Mix equal volumes of solutions A and B immediately before use.