NDLI: Spectrophotometric Determination of Gold Contained by Adsorption with Mercapto-Group Resin and Extraction with Isoamyl-Alcohol

Content Provider	IEEE Xplore Digital Library
Author	Yang Jin-hui Wang Jin-song Zhou Shu-kui Ren Bai-lin Deng Qin-wen
Copyright Year	2010
Abstract	Abstract-A new analysis method of gold in sulfate leaching solution is introduced in this paper. Hydrochloric acid is added into solution to decompose thiosulfate for quickly and effectively undermining the gold thiosulfate complex. In the medium of aqua fortis, gold is adsorbed and separated by mercapto group resin. After elution, isoamyl alcohol is used as extractant to enrich and separate Au3+ from solution. In HAc-NaAc buffer solution, CTMAB and TMK are used to determine the gold concentration in solution. In this method, mercapto group resin adsorption technology and isoamyl alcohol organic extraction technology are used together. The minimum determination concentration of Au is 0.2mg / L. The precision is better than ±± 2.5%. The recovery rate is 94% -100%. Because of rapid analysis process and high sensitivity, this new method has been used to test control analysis with fine results.
Starting Page	1
Ending Page	4
File Size	258345
Page Count	4
File Format	PDF
ISBN	9781424447121
ISSN	21517622
DOI	10.1109/ICBBE.2010.5517179
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gold Porcelain Nuclear fuels Ethanol Instruments Effluents Resins Leaching Monitoring Testing
Content Type	Text
Resource Type	Article

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