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Tungsten complexes chemical reactivity

The results of the first dissolution experiments have shown that the tungsten ore tailings do not have a homogeneous composition but are a complex material consisting of a variety of constituents with different stoichiometry, structure, chemical reactivity, and solubility. Thus, the weight fractions reported in Tables I and II are macro representations of the overall sample content but do not imply that these constituent ratios can be found uniformly in every particle throughout its mass. [Pg.132]

Chemical systems of relevance to the molybdenum and tungsten enzymes include synthetic pterins, a-phosphorylated ketones (as precursor models), and a variety of molybdenum and tungsten oxido, sulfido, and 1,2-enedithiolate complexes. These compounds have been used to (1) confirm the identity of MPT derivatives (2) define steps in MPT biosynthesis (3) calibrate spectroscopic observations (4) give precise geometries and reactivities that can be used as input for theoretical studies and (5) provide options for mechanistic consideration. [Pg.118]

See other pages where Tungsten complexes chemical reactivity is mentioned: [Pg.481]    [Pg.183]    [Pg.438]    [Pg.705]    [Pg.1084]    [Pg.276]    [Pg.378]    [Pg.171]    [Pg.240]    [Pg.240]    [Pg.21]    [Pg.59]    [Pg.690]    [Pg.62]    [Pg.136]    [Pg.301]    [Pg.434]    [Pg.14]    [Pg.201]    [Pg.45]    [Pg.159]    [Pg.253]    [Pg.210]    [Pg.93]    [Pg.402]   
See also in sourсe #XX -- [ Pg.296 , Pg.297 , Pg.298 ]

See also in sourсe #XX -- [ Pg.296 , Pg.297 , Pg.298 ]



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