Determination of content of phenol in ear-drops by differential spectrophotometry

ZHAN Ke-qin; ZHAN Jun-hong; ZHU Mei-hua; SHAN Guang-zhi

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Volume 20 Issue 2

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Article Navigation > Journal of Pharmaceutical Practice and Service > 2002 > (2): 94-95

ZHAN Ke-qin, ZHAN Jun-hong, ZHU Mei-hua, SHAN Guang-zhi. Determination of content of phenol in ear-drops by differential spectrophotometry[J]. Journal of Pharmaceutical Practice and Service, 2002, (2): 94-95.

Citation:

ZHAN Ke-qin, ZHAN Jun-hong, ZHU Mei-hua, SHAN Guang-zhi. Determination of content of phenol in ear-drops by differential spectrophotometry[J]. Journal of Pharmaceutical Practice and Service, 2002, (2): 94-95.

Determination of content of phenol in ear-drops by differential spectrophotometry

Weifang People's Hospital, Weifang, 261041, China

Received Date: 2001-07-09

Abstract

OBJECTIVE To establish differential spectrophotometry method for determining phenol and to eliminate interference of excipient.METHODS Determining ΔA different ultraviolet spectrum of phenol in 0.1mol·L^-1NaOH and water,detection wave length 288nm.RESULTS The recovery was 99.8%,RSD=0.12%.CONCLUSION The method is simple and accurate.
- differential spectrophotometry,
- phenol,
- determination
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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