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Author:
Journal / Book Title:
Year:
Volume:
Issue:
jian dan de rong ye zheng gan zhuang zhi
Author(s):
ZHOU Fengyi
Pages:
102
Year:
1960
Issue:
2
Journal:
Acta Polymerica Sinica
Keyword:
溶剂
;
色层分离
;
石棉板
;
自然蒸发
;
吹风机
;
淋洗分级
;
通风橱
;
回漏
;
高聚物
;
分极
;
Abstract:
<正> 用色层分离柱进行高聚物淋洗分级时,每次得到十几个以上的級份,为了要测定每个級份的分子量,就必須首先将溶剂蒸干。以往是在通风橱中,溶剂自然蒸发,有时也利用吹风机加速蒸发的办法,这样不但时間要很长,而且不利于安全、又浪費溶剂。我們設計了下列这套設备,基本上解决了上述的缺点,在使用中尚较滿意。
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