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wxy20052002

木虫 (著名写手)

[求助] 求教这是什么流动相

The elution was accomplished with the following gradient: 0 to 10 min, acetonitrile; and 10 to 20 min, acetonitrile to 100% dichloromethane.
该如何理解?

[ Last edited by wxy20052002 on 2013-2-2 at 22:21 ]
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wxy20052002

木虫 (著名写手)

送鲜花一朵
谢谢duduyu2011!再次求教!
4楼2013-02-02 23:38:34
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duduyu2011

新虫 (初入文坛)

【答案】应助回帖

★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
wxy20052002: 金币+5, ★★★★★最佳答案, thanks 2013-02-04 20:26:03
xbqewpq: 金币+1, 感谢应助^O^ 2013-02-04 23:50:07
梯度淋洗:0到10分钟,纯乙腈:10到20分钟,乙腈过渡到100%的二氯甲烷。字面意思应该是这样吧,
2楼2013-02-02 23:32:52
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wxy20052002

木虫 (著名写手)

如何过渡?就是那个acetonitrile to 100% dichloromethane不好理解。
另一段原文是这样的“0 to 5 min, 80% acetonitrile in water;
5 to 10 min, 100% acetonitrile; 10 to 15 min, acetonitrile to 100%
dichloromethane; and 15 to 20 min dichloromethane, at a constant
flow rate of 1 mL/min.”
3楼2013-02-02 23:37:15
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valley_chow

金虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
10分钟线性梯度洗脱,很难理解么?
5楼2013-02-03 08:41:54
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