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- W2054143460 abstract "Saccharin, a synthetic sweetener constituent of several pharmaceutical and cosmetic preparations, is analyzed qualitatively and quantitatively in the presence of interferences like active ingredients and excipients. A derivative ultraviolet spectrophotometric method employing the second and the fourth orders was used. The calibration data obtained were satisfactory, with a relative precision range of 0.53%-0.72%, and linearity between 0.9998-0.9999. The recovery test results for the toothgel sample ranged between 97.80% and 104.95% in the second order of derivative and between 98.04% and 101.32% in the fourth derivative, respectively, using zero-peak (ZP) and peak-peak (PP) methods. The suspension sample showed values between 97.35% and 104.72% in the second derivative and between 95.94% to 104.41% in the fourth derivative, respectively, employing the zero-peak (ZP) and peak-peak (PP) methods. The proposed method showed precision, accuracy and simplicity." @default.
- W2054143460 created "2016-06-24" @default.
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- W2054143460 date "2002-12-01" @default.
- W2054143460 modified "2023-09-27" @default.
- W2054143460 title "Saccharin analysis in pharmaceutical and cosmetic preparations by derivative ultraviolet spectrophotometry" @default.
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- W2054143460 doi "https://doi.org/10.1590/s1516-93322002000400010" @default.
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