辽河减压渣油中非卟啉镍的XAFS研究
为获得石油中非卟啉Ni的结构信息,采用荧光法对辽河减压渣油中非卟啉Ni的K边进行了XAFS测试。结果表明,非卟啉Ni第一配位壳层的结构和Ni-四苯基卟啉(NiTPP)的配位结构类似,也是4个氮原子,呈平面四方构型,Ni-N键长为0.192nm,在较高的配位壳层,二者存在一定的差别。此外,根据XAFS测试,对石油中非卟啉Ni的化学存在形态进行了讨论。...
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Veröffentlicht in: | Hua hsüeh hsüeh pao 2003, Vol.61 (3), p.450-453 |
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description | 为获得石油中非卟啉Ni的结构信息,采用荧光法对辽河减压渣油中非卟啉Ni的K边进行了XAFS测试。结果表明,非卟啉Ni第一配位壳层的结构和Ni-四苯基卟啉(NiTPP)的配位结构类似,也是4个氮原子,呈平面四方构型,Ni-N键长为0.192nm,在较高的配位壳层,二者存在一定的差别。此外,根据XAFS测试,对石油中非卟啉Ni的化学存在形态进行了讨论。 |
doi_str_mv | 10.3321/j.issn:0567-7351.2003.03.029 |
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subjects | XAFS X射线精细结构 减压渣油 化学形态 微量金属元素 镍配合物 非卟啉镍 |
title | 辽河减压渣油中非卟啉镍的XAFS研究 |
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