DETERMINATION OF WATER ACTIVITY IN AMMONIUM-SULFATE AND SULFURIC-ACID MIXTURES USING LEVITATED SINGLE PARTICLES

被引：40

作者：

KIM, YP ^{[1
]}

PUN, BKL ^{[1
]}

CHAN, CK ^{[1
]}

FLAGAN, RC ^{[1
]}

SEINFELD, JH ^{[1
]}

机构：

[1] CALTECH,DEPT CHEM ENGN,PASADENA,CA 91125

来源：

AEROSOL SCIENCE AND TECHNOLOGY | 1994年 / 20卷 / 03期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1080/02786829408959683

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Water activities of ammonium sulfate-sulfuric acid mixtures with ammonium to sulfate molar ratios be between 0 and 2 were measured bvu a spherical void electrodynamic levitator at relative humidities (RH) of 0.18-0.90. Since the composition of the solid particles is subject to uncertainty, solution properties were determined relative to the known properties at RH about 0.75-0.90. The data were compared with other measurements and the estimates from the Zdanovskii-Stokes-Robinson (ZSR) method and SCAPE, a newly developed gas-particle equilibrium model, and generally were found to be in good agreement.

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收藏

页码：275 / 284

页数：10

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