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T. H. Y(?)
摘要: <正> The raw materials and quantities used are listed in the following table:Raw materials Quantity used Purity (parts)p(?)y(?)nd Kieselguhr 115.0 dried.weight=100Vanadium pentoxide 13.1 84% V_2O_5Potassium nitrate 25.8 95% KNO_3Potassium hydroxide 8.0 85% KOHSulfuric acid 6.4 93% H_2SO_4Sulfur 6.0 —