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[求助]
求幫忙看晶體用什么洗,怎么能得到純凈的產(chǎn)物啊,急哭,求幫忙 已有2人參與
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本人培養(yǎng)晶體新手妹子一枚,重復文獻晶體培養(yǎng)出來但是不知道用什么洗,用了乙醇,晶體不透明了,到底該用什么洗啊,洗不干凈就會有雜質(zhì)的,求各位幫我看看,指點一二,真的很著急啊,急用啊,謝謝大家,感激不盡,合成的物質(zhì)和方法如下: Na2WO4·2H2O, Na2HPO4·12H2O, and Co(NO3) 2·6H2O were mixed in 100 mL of deionized water. After adjusting the pHvalue from9 to 7 by dropping HCl aqueous solution (36 wt.%, SCRC), this suspension was refluxed at 100 °C for 2 h. Then, a dark purple solution was obtained by filtering at 100 °C. After cooling to room temperature, purple crystals were collected. The obtained crystals were denoted as Na7H10[Co6(H2O)2(PW9O34)2(PW6O26)]·30 H2O. [ Last edited by linhua0402313 on 2016-7-14 at 14:59 ] |
木蟲 (小有名氣)

至尊木蟲 (職業(yè)作家)
鐵蟲 (正式寫手)
鐵蟲 (正式寫手)
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你好,我最近洗晶體也遇到樓主所說的這種情況。因為原培養(yǎng)體系中有味道很大的有毒有機物,不方便直接取出來就測,所以要洗,就是糾結(jié)于不知道選什么溶劑 發(fā)自小木蟲Android客戶端 |
木蟲 (小有名氣)
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首先在不知道晶體的穩(wěn)定性的時候,可以用母液洗,將母液過濾,然后分次清洗晶體,第二種是挑幾顆晶體,嘗試不同的溶劑,看看哪種溶劑下晶體不會變壞,就選這種溶劑。 發(fā)自小木蟲IOS客戶端 |

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