Determination of Germanium (IV) Content in the Korean Medicinal Herbs by Adsorption Stripping Voltammetry

Jeong, Seung-Il; 정승일; Chun, Hyun-Ja; 천현자; Kim, Il-Kwang; 김일광

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권한신청
P-ISSN1225-0163
E-ISSN2288-8985
SCOPUS, ESCI, KCI

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P-ISSN 1225-0163
E-ISSN 2288-8985

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11권 5호

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흡착벗김 전압전류법에 의한 국내산 약용식물에 함유된 게르마늄의 분석

Determination of Germanium (IV) Content in the Korean Medicinal Herbs by Adsorption Stripping Voltammetry

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985

1998, v.11 no.5, pp.400-403

정승일
천현자
김일광

정승일, 천현자, & 김일광. (1998). 흡착벗김 전압전류법에 의한 국내산 약용식물에 함유된 게르마늄의 분석. 분석과학, 11(5), 400-403.

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Abstract

The germanium content of the cultivated Korean medicinal herbs in several growing district was determined by adsorption stripping voltammetry. The optimum conditions in germanium determination were as following: deposition time; 120 sec, deposition potential; -0.9 volts vs. Ag/AgCl, and frequency; 100 Hz in <TEX>$5.0{\times}10^{-2}M$</TEX> perchloric acid supporting electrolyte solution containing <TEX>$8.0{\times}10^{-2}M$</TEX> catechol. Calibration curve was shown a good lineality in the range of 0.4 ppb to 2.0 ppm and the detection limit was 0.08 ppb. There was a large difference in content of the cultivated hermit leaf according to growing district such as 29.7~385.7 ppm and the content of nontreated hermit leaf was higher than the processed health foodstuffs. The content of the Korean ginseng (5 years) was 83 ppm while the Korean herb of life was 214 ppm.

keywords: Korean hermit, germanium determination, stripping voltammetry

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흡착벗김 전압전류법에 의한 국내산 약용식물에 함유된 게르마늄의 분석

Determination of Germanium (IV) Content in the Korean Medicinal Herbs by Adsorption Stripping Voltammetry

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