Absorption of ultrasonic waves in aqueous solutions of ?-cyclodextrin with alkylpyridinium or alkyltrimethylammonium bromides

• Autorzy: Balcerzak A. , Płowiec R. , Juszkiewicz A.
• Języki publikacji: EN

Abstrakty

EN

Measurements of the absorption coefficient, alfa/f2, of aqueous solutions of ?-cyclodextrin with alkylpyridinium bromides CnH2n+1C5H4NBr or alkyltrimethylammonium bromides CnH2n+1N(CH3)3Br (n=8, 10, 12), were carried out at 15, 25, 35 and 45oC in the concentration range 0.01M to 0.04M and frequency range 1MHz to 150MHz. The occurrence of two ultrasonic relaxation processes has been noted. The obtained results have been compared with data published previously for sodium alkyl sulfates.

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 1998
• Tom: Vol. 23, no. 3
• Strony: 411--428
• Opis fizyczny: Bibliogr. 34 poz., tab., wykr.

Twórcy

autor

Balcerzak A.

• Institute of Fundamental Technological Research Polish Academy of Sciences, Warszawa

autor

Płowiec R.

• Institute of Fundamental Technological Research Polish Academy of Sciences, Warszawa

autor

Juszkiewicz A.

• Department of Chemistry Jagiellonian University, Kraków

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