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A note on the binding of nickel and copper ions by cellulosic materials

โœ Scribed by Omar B. Said; Marline B. Shalmor; J.N. Egila

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
215 KB
Volume
43
Category
Article
ISSN
0960-8524

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Heparin forms a complex with cupric ion (Cu2+) at a level of less than or equal to 10(-3) mol of the metal ion per dimeric unit of the polymer, as evidenced by paramagnetic relaxation effects on its 1H- and 13C-n.m.r. spectra. No interaction occurred with heparin derivatives modified either by desul