항갑상선 의약물 중 2-mercapto-1-methyl-imidazole의 펄스차이 폴라로그래피에 의한 분석
Determination of 2-Mercapto-1-methyl-imidazole in Antithyroid Drug by Differential Pulse Polarography
분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.1, pp.17-23
김일광
천현자
임순화
김일광,
천현자,
&
임순화.
(1995). 항갑상선 의약물 중 2-mercapto-1-methyl-imidazole의 펄스차이 폴라로그래피에 의한 분석. , 8(1), 17-23.
초록
$5.0{\times}10^{-2}M$ $LiClO_4$ 용액 중에서 펄스차이 폴라그래피로 2-mercapto-1-methyl-imidazole(MMI)의 정량방법을 조사하였다. 분석의 최적 조건은 초기전위 -0.9 volt vs. Ag/AgCl, 펄스높이 80mV, 주사속도 2mV/sec, 중간 크기 수은방울이었다. 검정곡선은 $1.0{\times}10^{-7}M$에서 $8.0{\times}10^{-5}M$ 범위까지 좋은 직선성을 보여 주었으며, 검출한계는 $2.2{\times}10^{-9}M$이었다. 이 방법은 다른 첨가제의 방해 없이 항갑상선 치료제 중의 MMI 정량에 응용할 수 있었다.
- keywords
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2-mercapto-1-methyl-imidazole,
differential pulse polarography
Abstract
The determination method of 2-mercapto-1-methyl-imidazole(MMI) in $5.0{\times}10^{-2}M$ lithium perchlorate solution has been investigated by the differential pulse polarography. The optimum conditions for the determination of MMI were as fellows; -0.9 volt(vs. Ag/AgCl) initial potential, 80mV pulse height, 2mV/sec scan rate, and medium mercury drop size. The calibration curve showed a good linearlity in the range of $1.0{\times}10^{-7}M$ to $8.0{\times}10^{-5}M$ and the detection limit was $2.2{\times}10^{-9}M$. This method was applicable to the determination of MMI in thyroid drugs without interference from the additives.
- keywords
-
2-mercapto-1-methyl-imidazole,
differential pulse polarography