Determination of Phenobarbital in Compound Phenobarbital Power by differential Spectrophotometry
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Graphical Abstract
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Abstract
With phosphate buffers of pH 8.40 and pH 5.91 as the solvent,, the content of phenobarbital in compound phenobarbital powder has been determined at wavelength of 240nm.The arerage recovery was 99.7% and the relative standard dcvlation was 0.8%. Tbe experi
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