| 差示分光光度法测定苯酚滴耳液中苯酚的含量 |
| 投稿时间：2001-07-09 点此下载全文 |
| 引用本文：战克勤,张军红,朱美华,山广志.差示分光光度法测定苯酚滴耳液中苯酚的含量[J].药学实践杂志,2002,(2):94~95 |
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| 中文摘要:目的 建立差示光谱法测定苯酚的含量,排除辅料的干扰。方法 在波长 288nm处以苯酚在水和0.1mol·L-1NaOH溶液中不同的紫外光谱,测得差示吸收值 (ΔA)为定量依据。结果平均回收率为99.8%,RSD=0.12%.结论 方法简单准确。 |
| 中文关键词:差示分光光度法 苯酚 含量测定 |
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| Determination of content of phenol in ear-drops by differential spectrophotometry |
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| 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. |
| keywords:differential spectrophotometry phenol determination |
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