- British Pharmacopoeia Volume IV
- Appendices
- Appendix I A. General Reagents
Sodium Sulphide Solution |
Sodium Sulphide Solution Dissolve, with heating, 12 g of sodium sulphide in 45 ml of a mixture of 10 volumes of water and 29 volumes of glycerol (85%) , allow to cool and dilute to 100 ml with the same mixture.
It should be colourless.