Determination of Cefoperazone Sodium in Presence of Related Impurities by Improved Classical Least Squares Chemometric Methods: A Comparative Study

<div>Zero-order absorption spectra of 10 <i>μ</i>g mL<sup>−1</sup> of CEF (—), 7-ACA (- - -), and 5-MER (…….) using methanol as blank.</div>

Journal of Chemistry

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Figure 2: Determination of Cefoperazone Sodium in Presence of Related Impurities by Improved Classical Least Squares Chemometric Methods: A Comparative Study 

Figure 2 | Determination of Cefoperazone Sodium in Presence of Related Impurities by Improved Classical Least Squares Chemometric Methods: A Comparative Study 