主题：【求助】求英文文献5篇！

1、
标题: CHARACTERIZATION OF POLYETHYLENIMINE
作者: DICK, CR; HAM, GE
来源出版物: JOURNAL OF MACROMOLECULAR SCIENCE-CHEMISTRY 
卷: A 4  期: 6  页: 1301-&  出版年: 1970

2、
标题: KUPFERKOMPLEXE UND NICKELKOMPLEXE VON POLYATHYLENIMIN
作者: THIELE, H; GRONAU, KH
来源出版物: MAKROMOLEKULARE CHEMIE 
卷: 59  页: 207-221  出版年: 1963

3、
标题: C-13-NMR ANALYSIS OF BRANCHED POLYETHYLENEIMINE
作者: PIERRE, TS; GECKLE, M
来源出版物: JOURNAL OF MACROMOLECULAR SCIENCE-CHEMISTRY 
卷: A22  期: 5-7  页: 877-887  出版年: 1985

4、
标题: A novel fibre-coated sorbent for rapid removal of heavy metals from wastewater. Sorption of Zinc(II) from dilute aqueous solutions in the presence of high concentrations of common salts
作者: Chanda, M; Pillay, SA
来源出版物: INDIAN JOURNAL OF CHEMICAL TECHNOLOGY
卷: 12 期: 2 页: 156-163 出版年: MAR 2005

5、
标题: A superfast polymeric sorbent with multiple functionalities of cationic, anionic, and chelating types. Effect of pH and common ions on copper(II) sorption capacity of the sorbent
作者: Chanda, M; Sarkar, A; Chen, ZW
来源出版物: JOURNAL OF POLYMER MATERIALS
卷: 21 期: 1 页: 21-29 出版年: MAR 2004