用一阶导数双波长法测定安钠咖注射液中咖啡因的含量
DETERMINATION OF THE CAFFEINE CONTENT IN ANNAKA INJECTION USING 1ST DERIVATIVE DUAL-WAVELENGTH METHOD
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Abstract: The determination of caffeine content in annaka with 1 st derivative dualwavelength method is reported. The linear relation between △(dA/dλ) and concentration is satisfactory; r=0.9999. The rate of recovery is 99.2%.CV=0.26%.
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