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Determination of molybdenum and tungsten in biological materials

โœ Scribed by Jacobo Cardenas; Leonard E. Mortenson

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
527 KB
Volume
60
Category
Article
ISSN
0003-2697

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โœฆ Synopsis

A spectrophotometric method for the quantitative determination of molybdenum and tungsten in the presence of each other in biological materials, has been developed. The method involves the selective formation and extraction of the complexes of the metals with 4-methyl-1,2-dimercaptobenzene under specified conditions of acidity and temperature. Possible interference by components found in biological materials, was examined and shown to be negligible.

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โœ Peter L. Hagedoorn; Petra van't Slot; Herman P. van Leeuwen; Wilfred R. Hagen ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 112 KB

Recent crystal structure determinations accelerated the progress in the biochemistry of tungsten-containing enzymes. In order to characterize these enzymes, a sensitive determination of this metal in protein-containing samples is necessary. An electroanalytical tungsten determination has successfull