Tizchang, Hedeieh (2013) Simultaneous Determination of Salicylic Acid and Lactic Acidin Collodion by Spectrophotometric (UV-Vis) and Potentiometric Methods in Non-Aqueous Medium. Masters thesis, University of Zabol.
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Simultaneous Determination of Salicylic Acid and Lactic Acidin Collodion by Spectrophotometric (UV-Vis).pdf Download (138kB) | Preview |
Abstract
Skin is a very sensitive tissue of body that is the first protective part of your body that can protect you from illness factors. So attention to its drugs is very important. Increase or decrease of elements of its drug can make bad complication on it. So endeavor to find amount of percentage of its drugs by variousmethods is the aim of many researches. Verrucous and corn are the skin illnesses that provide unbecoming countenance. The prevalent treatment is use of drug which includes salicylic and lactic acid. Spectrophotometric (UV-Vis) and potentiometric methods in non-aqueous medium can provide easy and convenient method to recognition amount of its percentage elements. Potentiometric titration do in various organic solvent such as methanol, ethanol and t-butanol by various titrant such as sodium etoxide, sodium metoxide and sodium tbutoxide and at last select the best titration and solvent. Because of proximity of the lactic acid and salicylic acid dissociation constants so it is expected not observation two separate equivalence point, even with the use of various organic solvents and various titrant. In fact, such an equivalence point to neutralize both acid is obtained which shows two simultaneously neutralizing both acid by titrant. The spectrophotometric method for the determination salicylic acid will be used. By comparing the data obtained from these two methods, will ultimately determine the amount of lactic acid.
| Item Type: | Thesis (Masters) |
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| Uncontrolled Keywords: | Salicylic Acid, Lactic Acid, Simultaneous measurement, Spectrophotometry (UV-Vis), Potentiometry |
| Subjects: | Q Science > QD Chemistry |
| Depositing User: | admin admin1 admin2 |
| Date Deposited: | 07 Nov 2016 08:12 |
| Last Modified: | 07 Nov 2016 08:12 |
| URI: | http://eprints.uoz.ac.ir/id/eprint/995 |
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