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songchanghua銀蟲 (正式寫手)
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[求助]
制備[TEABS]3PW12O40, [MIMBS]3PW12O40, [PyBS]3PW12O40的提純問題 已有1人參與
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各位大神: 以[MIMBS]3PW12O40為例,文獻(xiàn)中以0.06 molMIMBS 和0.02H3PW12O40室溫反應(yīng)即可得到[MIMBS]3PW12O40,但是,購買到的磷鎢酸是帶X個(gè)結(jié)晶水的,在稱量的過程中一定是加過量,那么在合成結(jié)束的時(shí)候,如何將過量的反應(yīng)物去除呢?文獻(xiàn)中這一步的描述都很簡(jiǎn)單:In a round-bottomed flask, 0.06 mol of dry MIMBS was added into an aqueous solution containing 0.02 mol of H3PW12O40 , followed by vigorous stirring at room temperature for 24 h. Continuous evacuation at room temperature was conducted to completely remove the water moisture and the final product of [MIMBS]3PW12O40 was carefully collected in a powder form. 難道必須要嚴(yán)格按照0.06 molMIMBS 和0.02H3PW12O40的量來加?有沒有辦法提純[MIMBS]3PW12O40? 請(qǐng)合成過該類IL-POM的蟲友幫幫我!不勝感激! |
木蟲 (著名寫手)
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