SONOCHEMICAL DISSOLUTION OF MNO2 COLLOIDS

被引：77

作者：

SOSTARIC, JZ ^{[1
]}

MULVANEY, P ^{[1
]}

GRIESER, F ^{[1
]}

机构：

[1] UNIV MELBOURNE, SCH CHEM, ADV MINERAL PROD RES CTR, PARKVILLE, VIC 3052, AUSTRALIA

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1995年 / 91卷 / 17期

关键词：

D O I：

10.1039/ft9959102843

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The dissolution of colloidal MnO2 in aqueous solution induced by ultrasound has been investigated in the absence and presence of aliphatic alcohols at a pH of 4.5. It was found that the presence of the alcohols greatly enhanced the amount and rate of the dissolution of MnO2. It is shown that the rate of dissolution can be directly related to the Gibbs surface excess of the alcohol at the air/water interface. A simple quantitative model is proposed to account for these observations.

引用

页码：2843 / 2846

页数：4

共 25 条

[1] PULSE RADIOLYSIS STUDIES ON OXIDATION OF ORGANIC RADICALS IN AQUEOUS SOLUTION [J].

ADAMS, GE ;

WILLSON, RL .

TRANSACTIONS OF THE FARADAY SOCIETY, 1969, 65 (563P) :2981-&

[2] SONOLYSIS OF AQUEOUS SURFACTANT SOLUTIONS - PROBING THE INTERFACIAL REGION OF CAVITATION BUBBLES BY SPIN TRAPPING [J].

ALEGRIA, AE ;

LION, Y ;

KONDO, T ;

RIESZ, P .

JOURNAL OF PHYSICAL CHEMISTRY, 1989, 93 (12) :4908-4913

[3] ISOTOPE EFFECTS IN HYDROGEN ABSTRACTION FROM ALIPHATIC COMPOUNDS BY RADIOLYTICALLY PRODUCED HYDROGEN ATOMS IN AQUEOUS SOLUTIONS [J].

ANBAR, M ;

MEYERSTE.D .

JOURNAL OF PHYSICAL CHEMISTRY, 1964, 68 (11) :3184-&

[4]

ANBAR M, 1975, SELECTED SPECIFIC RA, V2

[5] PULSE RADIOLYTIC STUDY OF SITE OF OH RADICAL ATTACK ON ALIPHATIC ALCOHOLS IN AQUEOUS-SOLUTION [J].

ASMUS, KD ;

MOCKEL, H ;

HENGLEIN, A .

JOURNAL OF PHYSICAL CHEMISTRY, 1973, 77 (10) :1218-1221

[6]

COOPER G, 1995, CHEM AUST, V62, P22

[7]

FARAHATAZIZ, 1977, SELECTED SPECIFIC RA, V3

[8] H ATOM REACTIONS IN THE SONOLYSIS OF AQUEOUS-SOLUTIONS [J].

GUTIERREZ, M ;

HENGLEIN, A ;

DOHRMANN, JK .

JOURNAL OF PHYSICAL CHEMISTRY, 1987, 91 (27) :6687-6690

[9]

Henglein A, 1993, ADV SONOCHEMISTRY, V3, P17

[10] FORMATION OF Q-STATE CDS COLLOIDS USING ULTRASOUND [J].

HOBSON, RA ;

MULVANEY, P ;

GRIESER, F .

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1994, (07) :823-824

← 1 2 3 →