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Several drugs provided by the pharmaceutical industry and containing dipyrone as the active principle have different mass percentages of the letter. We describe a procedure for the quantitative analysis of several tablets containing dipyrone (or other solid active principles). The results of Fourier transform Raman band analysis (band area and band height) agree well with the stated contents of dipyrone in the tablets.
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Izolani et al. (2003) studied this question.
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