烷基酚聚氧乙烯醚的MALDI-TOF-MS研究

利用傅利叶变换离子回旋共振质谱(FT-ICR/MS)研究了气相中第一过渡系金属离子和丙烯腈(AN)的吸附和反应,讨论了过渡金属离子与丙烯腈吸附和反应的规律和机理。1 实验实验仪器：Bruker Daltonics, Inc. 生产的APEX II型FT-ICRMS;利用Nd:YAG激光器532 nm波长的激光(10mJ/pulse)直接烧蚀金属、金属氧化物或盐产生金属离子。选出所需的金属离子,再通过脉冲阀把丙烯腈反应气体引入回旋共振池中。反应过程中回旋共振池中压强在10-4-10-7 Pa之间,反应时间3-5 s.2 实验结果与讨论表1列出了第一过渡系金属离子的电子亲和势及金属离…     

Professor H. Hashimoto,Hon. F.R.M.S

Book reviewed in this article: Thin Foil Preparation for Electron Microscopy. By P. J. Goodhew. An Introduction to the Optical Microscope. By Savile Bradbury. Techniques in Immunocytochemistry, Volume 3. Edited by G. R. Bullock and P. Petrusz. X-Ray Microanalysis in Electron Microscopy for Biologists. By A. J. Morgan. Self-Assessment in Histological Techniques. By John D. Bancroft and Brian T. Chalk. X-ray Microanalysis in Electron Microscopy for Biologists. By A. J. Morgan.