| 单词 | ammonia alum |
| 释义 | ammonia alum (once / 1688473 pages) n WORD FAMILY ammonia alum: ammonia alums USAGE EXAMPLESOn August 13, 1878, I obtained letters patent for the exclusive right to use exsiccated ammonia alum in baking powders. Various, Scientific American, Vol. XXXIX.?No...(2012) The alum produced would, in any event, be mostly ammonia alum. Agricola, Georgius, De Re Metallica, Translated from th...(2011) Common alum is strictly potash alum; other two varieties are soda alum and ammonia alum, both similar in properties. Various, The New Gresham Encyclopedia. Vol....(2010) n a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum Syn|Hyper alum, ammonium alum Al, aluminium, aluminum, atomic number 13 a silvery ductile metallic element found primarily in bauxite double salta solution of two simple salts that forms a single substance on crystallization |
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