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Volume 19 Issue 6
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Article Navigation >  Journal of Pharmaceutical Practice and Service  > 2001  >  (6): 354-355,331

XIAO Wen-zhong, ZHANG Mei-yi, LIN Yan-fang, ZHAN Li-zhi, FU Lin-chun, LI Guo-qiao. Determination of trimethoprim in compound naphthoquine tablets by di-wavelength spectrophotosmetry[J]. Journal of Pharmaceutical Practice and Service, 2001, (6): 354-355,331.
Citation: XIAO Wen-zhong, ZHANG Mei-yi, LIN Yan-fang, ZHAN Li-zhi, FU Lin-chun, LI Guo-qiao. Determination of trimethoprim in compound naphthoquine tablets by di-wavelength spectrophotosmetry[J]. Journal of Pharmaceutical Practice and Service, 2001, (6): 354-355,331.
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Determination of trimethoprim in compound naphthoquine tablets by di-wavelength spectrophotosmetry

  • Traditional Medicine Institute of Guangzhou TCM, Guangzhou, 510407, China

  • Received Date: 2001-06-13
  • OBJECTIVE To develop a method for determination of trimethoprim in compound naphthoquine Tablets.METHODS Detected at 271nm, with referenced wavelength at 361nm. RESULTS Within 6.24～31.20μg/ml, TMP had a good linearity (r=0.9999).The average recovery was 100.9%, with the RSD of 0.24%(n=6).CONCLUSION The method was simple, rapid, accurate, and can be used both as the determination of content and the determination of dissolve.
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Determination of trimethoprim in compound naphthoquine tablets by di-wavelength spectrophotosmetry

  • Traditional Medicine Institute of Guangzhou TCM, Guangzhou, 510407, China
  • Received Date: 2001-06-13

Abstract: OBJECTIVE To develop a method for determination of trimethoprim in compound naphthoquine Tablets.METHODS Detected at 271nm, with referenced wavelength at 361nm. RESULTS Within 6.24～31.20μg/ml, TMP had a good linearity (r=0.9999).The average recovery was 100.9%, with the RSD of 0.24%(n=6).CONCLUSION The method was simple, rapid, accurate, and can be used both as the determination of content and the determination of dissolve.

XIAO Wen-zhong, ZHANG Mei-yi, LIN Yan-fang, ZHAN Li-zhi, FU Lin-chun, LI Guo-qiao. Determination of trimethoprim in compound naphthoquine tablets by di-wavelength spectrophotosmetry[J]. Journal of Pharmaceutical Practice and Service, 2001, (6): 354-355,331.
Citation: XIAO Wen-zhong, ZHANG Mei-yi, LIN Yan-fang, ZHAN Li-zhi, FU Lin-chun, LI Guo-qiao. Determination of trimethoprim in compound naphthoquine tablets by di-wavelength spectrophotosmetry[J]. Journal of Pharmaceutical Practice and Service, 2001, (6): 354-355,331.
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