反应条件
anhydrous potassium sulfate; sulfuric acid in ammonia byproducts: Al alum; digeration of lepidolite in warm concd. H2SO4, calcination, extraction with H2O, pptn. of Al with K2SO4 and lime milk, pptn. of sulfates with BaCl2, vaporization to dryness, extraction with abs. alcohol, vaporization, pptn. with (NH4)2C2O4 and (NH4)2S;; vaporization in silver vessel, pptn. from ammoniacal soln. with (NH4)2CO3;;
参考文献
Dinglers Polytech. J., , vol. 219, p. 183 - 183
Dinglers Polytech. J., , vol. 222, p. 271 - 271
Dinglers Polytech. J., , vol. 222, p. 385 - 385
Archiv der Pharmazie (Weinheim, Germany), , vol. 208, p. 198 - 198
Li: MVol., 8, page 16 - 18
