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elegantmeng金蟲 (初入文壇)
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[交流]
【求助】求一單詞的意思
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如題 “icelacetone”,求該單詞的具體意思,謝謝啦 (triphenylchlorosilane) [76-86-8] M 294.9, m 90-92°, 91-93°, 94-95°, 97-99°, b 156°/lmm, 161°/0.6mm. Likely impurities are tetraphenylsilane, small amounts of hexaphenyldisiloxane and traces of triphenylsilanol. Purified by distn at 2mm, then crystd from EtOH-free CHC13, and from pet ether (b 30-60°) or hexane by cooling in a Dry-icelacetone bath. [J Chem Soc 3671 1957; J Am Chem Soc 72 4471 1958,77 6395 1955,79 1843 1957.] |
鐵桿木蟲 (正式寫手)
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