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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Determination of Diazepam in Intact Diazepam Tablets Using Near Infrared Spectroscopy

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.3, pp.8-247







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Abstract

rapid and simple determination of diazepam in intact diazepam tablets has been investigated using the near infrared spectroscopy(NIRS) combined with partial least squares regession . The separate calibration curves of 2 mg and 5 mg diazepam tablets were studied, as well as the linearity, concentration range and reproducibility of those calibration curves were evaluated. The correlation coefficients of calibration curves of 2 mg and 5 mg diazepam tablets are 0.9416 and 0.9159, respectively and the standard errors of calibration curves(SEC) are 0.018% and 0.032%, respectively.

keywords
NIR spetroscopy, partial least squares regression, diazepam, pharmaceutical analysis


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