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|Type:||Artigo de evento|
|Title:||Use Of Cumene Hydroperoxide As An End-point Indicator In The Titration Of Bases By Catalytic Thermometric Titrimetry|
Raimundo Jr. I.M.
Neto de G.O.
|Abstract:||The use of the decomposition reaction of cumene hydroperoxide for indication of the end-point of the titration of organic bases with perchloric acid was investigated. The rise in temperature at the end-point is of the order of 25°C. Only strong bases can be determined when the titrand solvent is acetic acid - acetic anhydride (92 + 8 v/v), but even weak bases such as caffeine can be determined in 1,2-dichloroethane. Some titration curves resulting from titration of bases with boron trifluoride (a Lewis acid) are presented.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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