主题:【求助】(还剩第1篇)求助 英文文献两篇

浏览0 回复6 电梯直达
stephanie1984
结帖率:
100%
关注:0 |粉丝:0
新手级: 新兵
悬赏金额:11积分 状态: 已解决
一、
作者:J J Kirkland
杂志:Journal of Chromatographic science
年份(卷、期):1972,10,593页
因为自己能力有限,没有查找到原文,也不知道文章题目是什么
二、
题目:Carbon-13 CP/MAS NMR study of the structural dependence of urea-formaldehyde resins on formaldehyde-to-urea molar ratios at different urea concentrations and pH values
作者:I Ssuer Chuang, Gary E. Maciel
杂志:Macromolecules,
年份(卷期) 1992, 25 (12), 3204–3226
推荐答案:zhumenjun1984回复于2009/04/16

2
为您推荐
您可能想找: 气相色谱仪(GC) 询底价
专属顾问快速对接
立即提交
可能感兴趣
zhumenjun1984
结帖率:
100%
关注:0 |粉丝:0
新手级: 新兵
stephanie1984
结帖率:
100%
关注:0 |粉丝:0
新手级: 新兵
大陆
结帖率:
100%
关注:0 |粉丝:0
新手级: 新兵
原文由 stephanie1984 发表:
谢谢,第一篇不知道是不是不好查

太老,无电子版,找馆藏途径吧。
54247564
结帖率:
100%
关注:0 |粉丝:0
新手级: 新兵
第一篇只找到了索引,应该是楼主要的,试试馆藏吧

Bibliographic Information

High-performance liquid chromatography with porous silica microspheres.    Kirkland, J. J..    Exp. Stn.,  E. I. du Pont de Nemours and Co.,  Wilmington,  DE,  USA.    Journal of Chromatographic Science  (1972),  10(10),  593-9.  CODEN: JCHSBZ  ISSN: 0021-9665.  Journal  written in English.    CAN 79:87183    AN 1973:487183    CAPLUS 

Abstract

New totally porous, spherical silica particles of <10 .mu. are superior column packings for high-performance liq. chromatog. ($$lc).  These porous microspheres are prepd. in narrow particle size ranges and have been used for liq.-liq., liq.-solid and exclusion chromatog. since both the overall size and internal porosity can be selected and closely controlled.  Highly efficient columns of these particles are conveniently prepd. by a high-pressure slurry-packing technique by using stabilized aq. suspensions.  Performance of columns of these microspheres are the highest yet reported, with 5-6 .mu. particles producing 23 effective plates/sec for solutes with capacity factors, k' = 12.  The performance of the microsphere columns is >1000 times that of classical $$lc systems and equals that of open tubular (capillary) gc columns. 

Indexing -- Section 80-4  (Organic Analytical Chemistry) 
Section cross-reference(s): 66   

Chromatography, column and liquid 
    (high-performance, porous silica microspheres as column packings for)   

7631-86-9, uses and miscellaneous 
Role: ANST (Analytical study); USES (Uses) 
    (porous microspheres, as adsorbent for high-performance liq. chromatog.) 

Supplementary Terms

chromatog porous silica microsphere column
hstudent
结帖率:
100%
关注:0 |粉丝:0
新手级: 新兵
stephanie1984
结帖率:
100%
关注:0 |粉丝:0
新手级: 新兵
谢谢,不过我现在不在学校了,可还有其他的办法可以得到?
猜你喜欢最新推荐热门推荐更多推荐
品牌合作伙伴