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Study on Adsorption of Sodium Dinonylnaphthalenesulfonate on Steel by Radiotracer Method

Yoshiharu Nose, Kiyoshi Inoue
1974 Journal of the Japan Petroleum Institute  

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Adsorption of sodium dinonylnaphthalenesulfonate (NaDNNS) tagged with radioactive sulfur 35 was studied at the steel-benzene interface at room temperature. The adsorption increased with time, requiring 20hrs to reach a maximum value, and its equilibrium adsorption was about one tightly packed monolayer. Adsorbed NaDNNS molecules were not desorbed by benzene rinsing but 65% of adsorbed NaDNNS molecules were desorbed by exchanging with untagged NaDNNS molecules in benzene solution. The
more » ... adsorption of NaDNNS and Pb Naphthenate was not Langmuirian and the relative strength of adsorption was NaDNNS>Pb Naphthenate.
doi:10.1627/jpi1958.17.230 fatcat:hvavd5gehfbyzchy7ycm65jqym
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Yoshiharu Nose, Kiyoshi Inoue. "Study on Adsorption of Sodium Dinonylnaphthalenesulfonate on Steel by Radiotracer Method." Journal of the Japan Petroleum Institute 17.3 (1974) 230-233