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[50] Holde Puchtler, Susan N. Meloan and Mary S. Terry, J. Histochemistry and

Cytochemistry Vol. 17, No. 2 (110-124).

Spectrophotometric Determination of Acidity Constants of alizarine passing S in Water, Water-brij-35 and Water-sds Micellar Media Solutions.


Niazi Ali
Ghalie Mohammad
Yazdanipour Ateesa
Ghasemi Jahanbakhsh
From: Department of Chemistry, Faculty of Sciences, Azad University of Arak, Arak, Iran.

Spectrochimica acta. explode A, Molecular and biomolecular spectroscopy

Publish Date: Jun 2006
ISSN: 1386-1425
Volume: 64
Issue: 3
Pages: 660-4
sensitive: Print
Language: English
Citation (JAMA): Niazi Ali, Ghalie Mohammad, Yazdanipour Ateesa, et al. Spectrophotometric Determination of Acidity Constants of Alizarine blushful S in Water, Water-brij-35 and Water-sds Micellar Media Solutions.. Jun 2006;64:660-4


The acidity constants of Alizarine Red S in water, water-Brij-35 and water-SDS micellar media origins at 25 degrees C and an bean strength of 0.1 M have been determined spectrophotometrically. To evaluate the pH-absorbance data, a resolution method based on the combination of soft- and hard-modeling is applied.

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The acidity constants of all related equilibria are estimated using the whole unearthly fitting of the collected data to an established factor abbreviation model. DATAN program applied for determination of acidity constants. Results show that the pKa determine of Alizarine Red S are influenced as the percentages of a neutral and an anionic surfactant such as Brij-35 and SDS, respectively, added to the solution of this reagent. Effect of surfactant on acidity constants and pure spectrum of each(prenominal) component are also discussed.

[52] Hui Zhong, Na Li, Fenglin Zhao, Ke an Li, Talanta 2004, 62, 37 42

Sayed mehdi ghoreishi, mohsen behpour, mehdi shabani-nooshabadi

J.braz.chem beau monde vol 20 no.3 460-465 2009

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