chelatometry

Three kinds of chelating fibers containing triazohhion functional group were synthesized by crosslinking polyacryloni- trile fiber with anhydrous hydrazine,ethylenediamine,diethylenetriamine separately and subsequently reacting with thiosemicar- bazide using N,N-dimethylformamide(DMF)as a solvent and metallic sodium as a catalyst.

以聚丙烯腈纤维为原料,分别经水合肼、乙二胺、二乙烯三胺预交联后,以N,N-二甲基甲酰胺(DMF)作溶剂,加入催化剂金属钠,与硫代氨基脲反应,合成了3种携三唑硫酮功能基的螫合纤维。

Polyacrylonitrile fiber was modified into a chelating fiber containing amidoxime group by adding hydroxylamine, resulting from that nitrile group was transformed into amidoxime group.

以聚丙烯腈纤维为原料,加入羟胺试剂,将腈基转变为偕胺肟基团,使聚丙烯腈纤维改性成含有偕胺肟基团的螫合纤维。

A series of chelating resins were synthesized by the reactions of mercaptoamine resins with alkoxylepithiopropanes or dialkylaminoepithiopropanes.

合成了一系列新的螫合树脂。