用离子交换方法制备了铜交换的分子筛,研究了将二价铜还原为一价铜的方法。
Cupric ion exchanged NaY zeolite was prepared. The method to reduce cupric into cuprous exchanged zeolite was studied.
本尼迪克特溶液是硫酸铜(二价)的堿性溶液,它可以通过还原糖被还原为不溶性的铜(一价)的氧化物,产生红色的沉淀物。
Benedict 's solution is an alkaline solution of copper (ii) sulfate, which is reduced to insoluble copper (I) oxide by reducing sugars, giving a red precipitate.
通过顺磁共振的方法证实了反应过程中二价铜和稳定自由基的存在。
The electron spin resonance (ESR) spectrums demonstrated the existence of Cu(II) and stable radicals during the polymerization process.
在配合物1中,结构中存在一价铜,并且这个一价铜嵌在所有的二价铜之间,这就阻碍了顺磁离子之间的磁耦合,所以这个配合物呈现出非常弱的反铁磁耦合。
In the structure of 1, CuI ion site between the two CuII ions, which blocks the magnetic coupling of the spin center, so the compound show very weak antiferromagnetic behaviors.
第一部分为二醋酸碘苯、二价铜离子及联咪唑促进下的1,3-二羰基化合物与亚砜的反应研究。
For the first part, we stressed reactions of sulphoxide with 1,3-dicarbonyl compounds promoted by Cu(OAc)2·H2O, 2,2′-biimidazole and iodobenzene diacetate.
第一部分为二醋酸碘苯、二价铜离子及联咪唑促进下的1,3-二羰基化合物与亚砜的反应研究。
For the first part, we stressed reactions of sulphoxide with 1,3-dicarbonyl compounds promoted by Cu(OAc)2·H2O, 2,2′-biimidazole and iodobenzene diacetate.
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