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Synthesis and surfactant properties of N-acylation compounds derived from hydrolysis degradation products of N-(b-cianoethyl)-e-caprolactam
N-acylation surfactants 4-azasebacic acid N-(b -cianoethyl)-e -caprolactam
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2010/12/29
N-acyl amino acids can be used as active surface agents in the detergents industry, as well as in the pharmaceutical industry and cosmetics. Properties of these compounds are superior to those of fatt...
Synthesis and surfactant properties of N-acylation compounds derived from hydrolysis degradation products of N-(b-cianoethyl)-e-caprolactam
N-acylation surfactants 4-azasebacic acid N-(b -cianoethyl)-e -caprolactam critical micelle concentration surface tension foaming
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2010/12/20
N-acyl amino acids can be used as active surface agents in the detergents industry, as well as in the pharmaceutical industry and cosmetics. Properties of these compounds are superior to those of fatt...
Solid phase extraction of copper, nickel, and cobalt in water samples after extraction using surfactant coated alumina modified with indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption spectrometry
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
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2010/12/3
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
'Solid phase extraction of Copper, Nickel and Cobalt in water samples after extraction using surfactant Coated alumina modified with Indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
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2010/10/19
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
Weak Binding of N-Alkylpyridinium Ions to Nonionic Surfactant Micelles as Studied by Capillary Zone Electrophoresis
N-Alkylpyridinium Ions Nonionic Surfactant Micelles Capillary Zone Electrophoresis
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2010/9/20
The binding equilibrium of N-alkylpyridinium ions to nonionic surfactant micelles was investigated through the changes in the electrophoretic mobility of the alkylpyridinium ions in capillary zone e...
Determination of Pb(II) and Cu(II) by Electrothermal Atomic Absorption Spectrometry after Preconcentration by a Schiff Base Adsorbed on Surfactant Coated Alumina
determination of lead and copper preconcentration
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2007/12/20
摘要 1,2-Bis(salicylidenamino)ethane loaded onto sodium dodecyl sulfate-coated alumina was used as a new chelating sorbent for the preconcentration of traces of Pb(II) and Cu(II) prior to atomic absorpt...
Reverse Phase Gas Chromatography III-Surfactant Head Group Weight Fraction and Some Measured Polarity Terms
alkanolamides polyoxyethylenated amines polarity measu hydrophile weight fraction
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2007/12/13
Reverse Phase Gas Chromatography III-Surfactant Head Group Weight Fraction and Some Measured Polarity Terms。
On-Line Preconcentration and Speciation of Chromium by an 8-Hydroxyquinoline Microcolumn Immobilized on Surfactant-Coated Alumina and Flow Injection Atomic Absorption Spectrometry
Chromium speciation on-line preconcentration 8-hydroxyquinoline alumina flow injection
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2010/4/19
An on-line technique for the determination of chromium species with atomic absorption spectrometry is described. The method is based on separation and preconcentration of Cr(III) on a microcolumn of i...