A general, sensitive method for detecting surfactants

Ian White

doi:10.1016/0021-9797(76)90128-4

A general, sensitive method for detecting surfactants

Ian White^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

An inexpensive, sensitive technique has been developed to detect trace quantities of surfactants. The technique employs a novel detector which measures the superheat temperature of evaporating water. The water superheat temperature is dependent on the natural convective flow within the water which is, in turn, extremely sensitive to the presence of surfactants. The smallest amount of surfactant detected was 1.5 × 10^-10 mole. The method can be used for volatile and nonvolatile, and soluble and insoluble compounds and thus is useful for ionic and nonionic surfactants. Examples are given of trace surfactant impurities detected in the air and in reagents.

Original language	English
Pages (from-to)	613-617
Number of pages	5
Journal	Journal of Colloid and Interface Science
Volume	56
Issue number	3
DOIs	https://doi.org/10.1016/0021-9797(76)90128-4
Publication status	Published - Sept 1976
Externally published	Yes

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10.1016/0021-9797(76)90128-4

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title = "A general, sensitive method for detecting surfactants",

abstract = "An inexpensive, sensitive technique has been developed to detect trace quantities of surfactants. The technique employs a novel detector which measures the superheat temperature of evaporating water. The water superheat temperature is dependent on the natural convective flow within the water which is, in turn, extremely sensitive to the presence of surfactants. The smallest amount of surfactant detected was 1.5 × 10-10 mole. The method can be used for volatile and nonvolatile, and soluble and insoluble compounds and thus is useful for ionic and nonionic surfactants. Examples are given of trace surfactant impurities detected in the air and in reagents.",

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AB - An inexpensive, sensitive technique has been developed to detect trace quantities of surfactants. The technique employs a novel detector which measures the superheat temperature of evaporating water. The water superheat temperature is dependent on the natural convective flow within the water which is, in turn, extremely sensitive to the presence of surfactants. The smallest amount of surfactant detected was 1.5 × 10-10 mole. The method can be used for volatile and nonvolatile, and soluble and insoluble compounds and thus is useful for ionic and nonionic surfactants. Examples are given of trace surfactant impurities detected in the air and in reagents.

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A general, sensitive method for detecting surfactants

Abstract

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