天天日夜夜,久久老女人,人人爱国产,91视频青青草

詳細介紹
先豐現(xiàn)在可以提供進口的氨基改性富勒烯(N-ethyl-polyamino-C60)

Formula:       C60(NHCH2CH3)n (n~6-18)
Ref:                F. Wudl et. al., in Fullerenes: Synthesis Properties and Chemistry of  Large Carbon Clusters, G.  S. Hammond, V. J. Kuck, eds, ACS,  Washington D.C., 1992, p 161.
 
One of the first derivatization reactions was the addition of amines to fullerene[C60].  The polyamino compounds are soluble in acidic water solutions. 
 
These derivatives are uncharacterized mixtures of polyamine adducts, with the number of amines typically 10-18 units.