| 单词 | platinum sponge |
| 释义 | > as lemmasplatinum sponge platinum sponge n. a grey spongy amorphous form of platinum obtained on heating ammonium chloroplatinate and used as a catalyst. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > processes or substances affecting reactions > catalysis > catalyst > named catalysts platinum sponge1824 Raney nickel1933 society > occupation and work > materials > derived or manufactured material > metal > precious metal > [noun] > platinum > form of platinum sponge1824 1824 Philos. Trans. (Royal Soc.) 114 267 It was this inefficiency of the platinum sponge on the compounds of charcoal and hydrogen in mixture with oxygen [etc.]. 1894 G. S. Newth Text-bk. Inorg. Chem. iii. xiv. 644 This action is more rapid in the case of platinum sponge, when a larger surface is brought into play, and a fragment of this material introduced into a detonating mixture of oxygen and hydrogen at once determines its explosion. 1995 Jrnl. Alloys & Compounds 219 45 The ternary sodium platinum hydride Na2PtH6 was prepared via the reaction of sodium hydride with platinum sponge. < as lemmas |
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