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- W2391108766 abstract "Objective:To establish a dual-wavelength spectrophotometry used for assay of Procaine Hydrochloride Injection levers,which could exclude the impact of the assay results of the product that may exist in para-aminobenzoic acid(PABA).Methods:Preparation a series of concentration solution of procaine hydrochloride and PABA reference substances,and their mixed solution of medium concentration.Then,the UV absorption spectra determining measure wavelength was established in the 200 nm to 350 nm wavelength range scan.Results:Mesured wavelength of determination lied in 290.0 nm and 261.5 nm,there was good linear correlation in procaine hydrochloride(0-51 mg/L),the regression equation Y=0.039 09X+0.008 24(r=0.999 8),the average recovery was 99.68% with a RSD of 0.15%(n=9).Conclution:Assay method of the established by the relevant indicators anthemtication is simple,accurate and reproducible." @default.
- W2391108766 created "2016-06-24" @default.
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- W2391108766 date "2010-01-01" @default.
- W2391108766 modified "2023-09-28" @default.
- W2391108766 title "Determination of Procaine Hydrochloride Injection by dual-wavelength differential absorption spectrophotometry" @default.
- W2391108766 hasPublicationYear "2010" @default.
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