%0 Journal Article
%T NO adsorption study on the distribution of Ni2 + ions on the various micro-environments of carriers
%A Guoxing Niu
%A Yao Huang
%A Zhisong Cao
%A Yufang Huang
%A Quanzhi Li
%J Chinese Science Bulletin
%@ 1861-9541
%D 1999
%I 
%R 10.1007/BF02887120
%X The decrease of the electron density in the d orbits of Ni2 + ions, resulting from the disturbance of micro-environments in which Ni2+ ions are located, makes the frequency of adsorbed NO shlft higher. The shift degree is determined mainly by the property of the microenvironments. When Ni2+ ions are located onSII,SII(SI) sites of Y zeolite or on the surface of ¦Ã-alumina, their NO adsorption gives rise to IR bands at 1 905, 1 900 and 1 855¨C1 875 cm 1, respectively. The distribution of Ni2+ ions on the various micro-environments of USY zeolite, Al2O3 and MS mixed carrier has also been discussed according to the different frequencies of adsorbed NO, as well as the influence of NiO loading.
%K NO adsorption
%K distribution of Ni2+ ions
%K ¦Ã-alumina
%K USY zeolite
%K mixed carrier
%U http://link.springer.com/article/10.1007/BF02887120