2020
DOI: 10.20961/alchemy.16.1.34008.10-24
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Optimasi dan Validasi Metode Penentuan Kadar Asam Glikolat dan Asam Laktat Dalam Krim Menggunakan Kromatografi Cair Kinerja Tinggi

Abstract: <p>Telah dilakukan optimasi dan validasi metode penentuan asam glikolat dan asam laktat dalam krim menggunakan kromatografi cair kinerja tinggi. Pemisahan asam glikolat dan asam laktat dilakukan pada kolom fasa balik C-8menggunakan fasa gerak asam ortofosfat 0,1% dengan pH 3,5 dan detektor <em>UV-Visible</em>. Standar asam glikolat dan asam laktat dibuat dengan melarutkannya menggunakan asam ortofosfat 0,1% pH 3,5. Hasil eksperimen menunjukkan bahwa pada rentang konsentrasi 25 – 400 μg/mL, as… Show more

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Cited by 2 publications
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“…The strip phase was 0.1 M of sulfuric acid aqueous solution and the volume ratio of strip phase to organic phase was 3/7. In addition, the study [27] also explained that optimization was carried out on the mobile phase and variations in the mobile phase to produce analyte separation from other compounds using HPLC. From the selected conditions above, validation of the method is then carried out in order to obtain a validity based on the appropriate parameters.…”
Section: Introductionmentioning
confidence: 99%
“…The strip phase was 0.1 M of sulfuric acid aqueous solution and the volume ratio of strip phase to organic phase was 3/7. In addition, the study [27] also explained that optimization was carried out on the mobile phase and variations in the mobile phase to produce analyte separation from other compounds using HPLC. From the selected conditions above, validation of the method is then carried out in order to obtain a validity based on the appropriate parameters.…”
Section: Introductionmentioning
confidence: 99%