| 引用本文: | 潘陵1;王玉1;王维英2.比色法测定缓释片中羟丙甲纤维素[J].中国现代应用药学,2004,(6):509-511. |
| PAN Xi-ling1,WANG Yu1,WANG Wei-ying2.Determination of HPMC in delayed-release tablets by colorimetry[J].Chin J Mod Appl Pharm(中国现代应用药学),2004,(6):509-511. |
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| 摘要: |
| 目的 建立测定制剂中羟丙甲纤维素(HPMC)含量的方法。方法 采用二苯胺和HPMC在高温下显色反应,分光光度法测定。结果 具良好的线性范围和回收率,测定方法可靠。结论 能作为制剂中HPMC含量测定的方法。 |
| 关键词: 羟丙甲纤维素(HPMC) 二苯胺 比色反应 分光光度法 |
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| Determination of HPMC in delayed-release tablets by colorimetry |
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PAN Xi-ling1,WANG Yu1,WANG Wei-ying2
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| Abstract: |
| OBJECTIVE To develop a method for determination of HPMC in delayed-release tablets.METHOD HPMC was reacted with diphenylamine at high temperature to produce the colur product and determined by colorimetry.RESULTS The method had a good linear range and rec |
| Key words: hydroxypropyl methylcellulose(HPMC) diphenylamine visualization reaction colorimetry |
