This section is from the book "Practical Materia Medica And Prescription Writing", by Oscar W. Bethea. Also available from Amazon: Practical Materia Medica and Prescription Writing.
Eng., Sulphurated Potassa. Synonym, Liver of Sulphur. A mixture composed chiefly of potassium polysulphide and potassium thiosulphate, and containing an amount of sulphides corresponding to not less than 12.8 per cent. of Sulphur.
 
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