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Detecting gold by voltammetric handhold systemsDetecting gold by voltammetric handhold systems
- Other Titles
- Detecting gold by voltammetric handhold systems
- Issue Date
- 2014
- Publisher
- 한국응용과학기술학회
- Keywords
- gold; graphite nafion; voltammetry; alluvial gold
- Citation
- 한국응용과학기술학회지, v.31, no.3, pp.472 - 477
- Indexed
- KCI
- Journal Title
- 한국응용과학기술학회지
- Volume
- 31
- Number
- 3
- Start Page
- 472
- End Page
- 477
- ISSN
- 1225-9098
- Abstract
- A voltammetric investigation of Au assay was conducted at a low cost, using Nafion and DNA immobilized on a graphite Pencil working electrode (NDP) with a black lead counter and reference. The following optimal parameters were found: 0.4 V amplitude, 500 Hz frequency, -0.7 V initial potential, and 0.015 V increment potential. These optimal conditions were also applied to sand obtained from the river site. The aforementioned technique is simpler and less costly compared to the common voltammetry and spectrophotometric methods.
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