Research Paper | Chemistry | Libya | Volume 6 Issue 7, July 2017
Determination of Hydroquinone in Some Pharmaceutical and Cosmetic Preparations by Spectrophotometric Method
Hawaa S. Elferjani, Najw H. S. Ahmida, Aziza Ahmida
In This study thirteen skin lighting creams are available in Libyan markets in Benghazi and Pharmaceutical Preparations were used to determine the content of hydroquinone by A rapid and simple UV spectrophotometric procedures. The labels on the packages noticeably did not show the content of hydroquinone. All samples were analysed by a UV spectrophotometer, Beers law was obeyed in the range of 10- 40 g/ml at 290nm using 0.05M H2SO4 as solvent with linear regression coefficient of 0.9994. The results showed the concentration of hydroquinone in all cosmetic samples ranged from 0.008 % to 0.210 %. The effect of time has been studied.
Keywords: hydroquinone, spectrophotometry, pharmaceutical and cosmetic preparations
Edition: Volume 6 Issue 7, July 2017
Pages: 2219 - 2224
How to Cite this Article?
Hawaa S. Elferjani, Najw H. S. Ahmida, Aziza Ahmida, "Determination of Hydroquinone in Some Pharmaceutical and Cosmetic Preparations by Spectrophotometric Method", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART20175678, Volume 6 Issue 7, July 2017, 2219 - 2224
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