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Metal Complexes of Trifluoropentanedione. An Experiment for the General Chemistry LaboratoryRobert C. Sadoski, David Shipp, and Bill Durham Investigation of the transition-metal complexes produced by the reactions of Cr(III), Mn(II), Fe(III), Co(II), Ni(II), and Cu(II) with 1,1,1-trifluoro-2,4-pentanedione; mass spectroscopy is used to determine the stoichiometry of the reaction products. Sadoski, Robert C.; Shipp, David; Durham, Bill. J. Chem. Educ.2001, 78, 665.
Coordination Compounds |
Synthesis |
Mass Spectrometry |
Transition Elements |
Stoichiometry
The Household Chemistry of Cleaning PenniesLaurence D. Rosenhein Although it is well known that solutions of vinegar and table salt are effective in removing tarnish from pennies, chemical explanations of this behavior are not included in sources of this "household chemistry" and erroneous explanations have crept into popular literature on this subject; this article provides some relevant empirical information on the system. Rosenhein, Laurence D. J. Chem. Educ.2001, 78, 513.
