Synthesis and Biotesting of Metallic Surfactants**University of Wyoming, College of Pharmacy, Laramie

Bone, Jack N.; O’Day, David W.

doi:10.1002/jps.3030471110

Journal of the American Pharmaceutical Association (Scientific

1958

DOI: 10.1002/jps.3030471110

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Synthesis and Biotesting of Metallic Surfactants**University of Wyoming, College of Pharmacy, Laramie

Jack N. Bone

David W. O’Day

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1963

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The Surface Activities of Bivalent Metal Alkyl Sulfates. I. On the Micelles of Some Metal Alkyl Sulfates

Satake¹,

Iwamatsu²,

Hosokawa³

et al. 1963

Bulletin of the Chemical Society of Japan

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Dodecyl sulfates of bivalent nickel, cobalt, copper and magnesium were synthesized, and studies were carried out on the CMC values of these detergents, the effects of the added electrolytes on these CMC values, on micellar molecular weights, and on micellar charges. The CMC values of the detergents were independent of the kind of metal, and the CMC value of 1.2×10−3 mol./l. was obtained. The micellar aggregation numbers of bivalent metal dodecyl sulfates were of the order of 100, which is about twice that of sodium dodecyl sulfate. The dissociation degrees of the micelles were also evaluated from the conductivity data. The α values obtained were 0.66 for cobalt, 0.60 for copper and 0.42 for magnesium. The dissociation degree of the copper dodecyl sulfate micelle was also estimated to be 0.52 from the depression of the CMC value by the added electrolyte; this figure is approximately the same as the value of 0.60 obtained from the conductivity data. These results suggest that the fundamental factor responsible for determining the surface activities of bivalent metal dodecyl sulfates is the valency of the gegenion and that the kind of metal has little or no detectable effect on them.

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The Surface Activities of Bivalent Metal Alkyl Sulfates. I. On the Micelles of Some Metal Alkyl Sulfates

Satake¹,

Iwamatsu²,

Hosokawa³

et al. 1963

Bulletin of the Chemical Society of Japan

View full text Add to dashboard Cite

show abstract

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Synthesis and Biotesting of Metallic Surfactants**University of Wyoming, College of Pharmacy, Laramie

Cited by 1 publication

References 3 publications

The Surface Activities of Bivalent Metal Alkyl Sulfates. I. On the Micelles of Some Metal Alkyl Sulfates

The Surface Activities of Bivalent Metal Alkyl Sulfates. I. On the Micelles of Some Metal Alkyl Sulfates

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