Precious metal colloid, precious metal fine-particle, composition, and method for producing precious metal fine-particle
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United States of America Patent
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Apr 19, 2011
Grant Date -
Aug 16, 2007
app pub date -
Jun 21, 2004
filing date -
Aug 28, 2003
priority date (Note) -
Expired
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Abstract
C-NMR spectrum present in 20 to 90 ppm and 160 to 190 ppm. A reduction agent, such as a peptide or other amino acid compound and glucosamine, and alkali for supporting a reductivity of the reduction agent are added to a solution dissolving a precious metal containing compound to form the precious metal fine-particle by a reduction reaction of a precious metal ion in the precious metal containing compound.
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