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小龙虾虾虾虾

新虫 (初入文坛)

[求助] 要重复nature上面的一篇实验,方法看不懂,求助

Porous β-cyclodextrin polymer (P-CDP). A flame dried 20ml scintillation vial equipped with a magnetic stir bar was charged with β-CD (0.200g, 0.176mmol), 1 (0.100 g, 0.500mmol), and K2CO3 (0.300g, 2.17mmol). The vial was flushed with N2 gas for 5min, then dry THF (8ml) was added and the vial was bubbled with N2 for additional 2–3min. The N2 inlet was removed and the mixture was placed on a hot stirring plate (85°C) and stirred at 500r.p.m. for 2 d. The orange suspension was cooled and then filtered, and the residual K2CO3 was removed by washing the solid on the filter paper with 1 N HCl until CO2 evolution stopped. The recovered light yellow solid was isolated and activated by soaking in H2O (2×10ml) for 15min, THF (2×10ml) for 30min and CH2Cl2 (1×15ml) for 15min. Finally, the solid was dried under high vacuum at 77K in a liquid nitrogen bath for 10min and then at RT for 2–3 days.

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小龙虾虾虾虾

新虫 (初入文坛)

A flame dried 20ml scintillation vial是什么意思呀

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2楼2019-03-04 10:09:22
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小龙虾虾虾虾

新虫 (初入文坛)

The vial was flushed with N2 gas for 5min要怎么操作

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3楼2019-03-04 10:11:33
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小龙虾虾虾虾

新虫 (初入文坛)

A flame dried 20ml scintillation vial是什么意思呀

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4楼2019-03-04 10:11:41
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genhunter

至尊木虫 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
RXMCDM: 金币+10, 多谢应助! 2019-03-04 19:05:40
RXMCDM: 金币-9 2019-03-04 19:05:55
小龙虾虾虾虾(fjtony163代发): 金币+10, 代发 2019-04-12 07:46:57
fjtony163: 翻译EPI+1, 代发 2019-04-12 07:47:03
用火焰灼烧过的,主要是去除潮气和有机物杂质。换气可以在真空干燥器中重复2-3次。
离成功还差一点
5楼2019-03-04 10:59:45
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小龙虾虾虾虾

新虫 (初入文坛)

引用回帖:
5楼: Originally posted by genhunter at 2019-03-04 10:59:45
用火焰灼烧过的,主要是去除潮气和有机物杂质。换气可以在真空干燥器中重复2-3次。

好的 谢谢你呀

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6楼2019-03-04 13:36:37
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