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hongyan0606

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[交流] 求助 Polyethylene frits 是什么意思,在超声波提取时的作用

Polyethylene frits 是什么意思,在超声波提取时的作用

Extraction of TAS from finely ground sample was carried out by ultrasonic-assisted extraction in small columns. Polyethylene frits were placed at the end of each glass column next to a filter paper circle. Subsequently, 3 g of sample and 20 ml of absolute ethanol were added and the columns were immersed into the ultrasonic water bath at 80 °C.  中Polyethylene frits  是什么意思,他在超声波中起什么作用呢,有那个朋友帮忙解释以下。
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hongyan0606

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自己顶啊!
2楼2008-08-06 13:49:17
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guosy3992

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hongyan0606(金币+1,VIP+0):也许是吧
wingcat(金币+1,VIP+0):谢谢
聚乙烯网片,可能就是防止样品掉出来
3楼2008-08-06 16:40:42
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