Physicochemical studies on the composition and stability of metal‐gossypol complexes. I. Fe+++ gossypol complex

The complex formation of Fe+++ with gossypol has been investigated at constant ionic strength 0.15. The formation of only one complex, metal: gossypol (1:1) is detected by Job舗s method of continuous variation, conductometric titration and chemical analysis of the isolated complex. It appears that th...

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Bibliographic Details
Published inJournal of the American Oil Chemists' Society Vol. 43; no. 7; pp. 429 - 430
Main Authors Muzaffaruddin, M., Saxena, E. R.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer‐Verlag 01.07.1966
Subjects
Chemical Phenomena
Chemistry, Physical
Gossypol
Iron
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Summary:The complex formation of Fe+++ with gossypol has been investigated at constant ionic strength 0.15. The formation of only one complex, metal: gossypol (1:1) is detected by Job舗s method of continuous variation, conductometric titration and chemical analysis of the isolated complex. It appears that the two perihydroxyls are the most plausible sites where the ferric ions are chelated. The pK‐value as calculated by the method of Turner and Anderson is 6.75 and free energy change of combination is 蜢9.208 kcal.
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ISSN:0003-021X
1558-9331
DOI:10.1007/BF02682406