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- Bancroft_rule abstract "The Bancroft rule states: \"The phase in which an emulsifier is more soluble constitutes the continuous phase.\"It was named after Wilder Dwight Bancroft, an American physical chemist.In all of the typical emulsions, there are tiny particles (discrete phase) suspended in a liquid (continuous phase). In an oil-in-water emulsion, oil is the discrete phase, while water is the continuous phase.What the Bancroft rule states is that contrary to common sense, what makes an emulsion oil-in-water or water-in-oil is not the relative percentages of oil or water, but which phase the emulsifier is more soluble in. So even though there may be a formula that's 60% oil and 40% water, if the emulsifier chosen is more soluble in water, it will create an oil-in-water system.There are some exceptions to Bancroft's rule, but it's a very useful rule of thumb for most systems.The Hydrophilic-lipophilic balance (HLB) of a surfactant can be used in order to determine whether it's a good choice for the desired emulsion or not.In Oil in Water emulsions – use emulsifying agents that are more soluble in water than in oil (High HLB surfactants).In Water in Oil emulsions – use emulsifying agents that are more soluble in oil than in water (Low HLB surfactants).Bancroft's rule suggests that the type of emulsion is dictated by the emulsifier and that the emulsifier should be soluble in the continuous phase. This empirical observation can be rationalised by considering the interfacial tension at the oil-surfactant and water-surfactant interfaces.".
- Bancroft_rule wikiPageID "5419330".
- Bancroft_rule wikiPageLength "1823".
- Bancroft_rule wikiPageOutDegree "10".
- Bancroft_rule wikiPageRevisionID "610657970".
- Bancroft_rule wikiPageWikiLink Azeotrope.
- Bancroft_rule wikiPageWikiLink Bancroft_point.
- Bancroft_rule wikiPageWikiLink Category:Colloidal_chemistry.
- Bancroft_rule wikiPageWikiLink Emulsion.
- Bancroft_rule wikiPageWikiLink Hydrophilic-lipophilic_balance.
- Bancroft_rule wikiPageWikiLink Phase_(matter).
- Bancroft_rule wikiPageWikiLink Solubility.
- Bancroft_rule wikiPageWikiLink Surfactant.
- Bancroft_rule wikiPageWikiLink Wilder_Dwight_Bancroft.
- Bancroft_rule wikiPageWikiLinkText "Bancroft Rule".
- Bancroft_rule wikiPageWikiLinkText "Bancroft rule".
- Bancroft_rule wikiPageUsesTemplate Template:Chem-stub.
- Bancroft_rule wikiPageUsesTemplate Template:Context.
- Bancroft_rule wikiPageUsesTemplate Template:Multiple_issues.
- Bancroft_rule wikiPageUsesTemplate Template:Unreferenced.
- Bancroft_rule subject Category:Colloidal_chemistry.
- Bancroft_rule type Page.
- Bancroft_rule type Science.
- Bancroft_rule comment "The Bancroft rule states: \"The phase in which an emulsifier is more soluble constitutes the continuous phase.\"It was named after Wilder Dwight Bancroft, an American physical chemist.In all of the typical emulsions, there are tiny particles (discrete phase) suspended in a liquid (continuous phase).".
- Bancroft_rule label "Bancroft rule".
- Bancroft_rule sameAs Q4854174.
- Bancroft_rule sameAs Reguła_Bancrofta.
- Bancroft_rule sameAs m.0dl0kz.
- Bancroft_rule sameAs Q4854174.
- Bancroft_rule wasDerivedFrom Bancroft_rule?oldid=610657970.
- Bancroft_rule isPrimaryTopicOf Bancroft_rule.