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|Type:||Artigo de periódico|
|Title:||Potentiometric Titration Applied To Free Fatty Acid Determination Of Edible Oils And Fats [titulação Potenciométrica Aplicada Na Determinação De ácidos Graxos Livres De óleos E Gorduras Comestíveis]|
Guaraldo Goncalves L.Ap.
|Abstract:||Free fatty acids are a measure of evaluating fats and oils, submitted to abusive conditions, besides being a quality characteristic of edible vegetable oils. The official method of determination (AOCS Ca 5a-40, 2004) is based on titration, using phenolphthalein as an indicator. For crude and degummed oils, the titration end point is difficult to be observed due to the high level of pigments, resulting in dark solutions. In this case and others, such as self-life studies, in which sample quantities are limited, potentiometric titration may be a very good alternative.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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