1 kg Pure Flowers of Sulphur BPC 99.9%
Pharmaceutical grade sublimed sulphur This product complies with the monograph of the British Pharmacopoeia Codex 1973 for Sublimed Sulphur (Flowers of Sulphur)
sellers are selling powdered sulphur as flowers of sulphur. To be
called flowers of sulphur it has to have been purified by sublimation.
Ground powdered sulphur is a cheaper and inferior product.