'Jiejingjin' sol and preparation thereof

A clean gold sol solution containing gold sol (20-1000 micrograms/ml) and micro Cl, Na or K and B is prepared by reduction reaction between chlorauric acid and sodium or potassium borohydride and purifying. The obtained gold sol solution has the advantages of high concentration and stability and low...

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Bibliographic Details
Main Author XUYING HU
Format Patent
LanguageEnglish
Published 23.09.1998
Edition6
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:A clean gold sol solution containing gold sol (20-1000 micrograms/ml) and micro Cl, Na or K and B is prepared by reduction reaction between chlorauric acid and sodium or potassium borohydride and purifying. The obtained gold sol solution has the advantages of high concentration and stability and low impurities content, so that it can be used as additive of food, beverage, wine and cosmetics. Its preparing process features removing impurities easily, simple technology and low cost.
Bibliography:Application Number: CN1997100840