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A convenient device for adjustment of mercury levels in gas adsorption apparatus 一种调节气体吸附装置中汞含量的方便装置
Journal of Colloid Science Pub Date : 1965-04-01 DOI: 10.1016/0095-8522(65)90085-1
W.R. Smith, D.G. Ford
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引用次数: 0
The adsorption of undecanoic acid and non-adecanoic acid on oxidized and unoxidized copper crystals 十一烷酸和非十一烷酸在氧化和未氧化铜晶体上的吸附
Journal of Colloid Science Pub Date : 1965-04-01 DOI: 10.1016/0095-8522(65)90081-4
Teddy H. Grindstaff , Hilton A. Smith, Warren W. Harris
{"title":"The adsorption of undecanoic acid and non-adecanoic acid on oxidized and unoxidized copper crystals","authors":"Teddy H. Grindstaff ,&nbsp;Hilton A. Smith,&nbsp;Warren W. Harris","doi":"10.1016/0095-8522(65)90081-4","DOIUrl":"https://doi.org/10.1016/0095-8522(65)90081-4","url":null,"abstract":"<div><p>Electron microscopy and electron diffraction were used in conjunction with a radioactive tracer to investigate experimentally the adsorption of undecanoic acid and nonadecanoic acid from cyclohexane solution on the carefully characterized (100), (110), (111), and (311) faces of copper and oxidized copper crystals. Nonadecanoic acid was isotropically adsorbed on the copper crystal with the molecules virtually perpendicular to the adsorbent in islands. As the adsorption continued, these islands grew laterally until after about 64 hrs. a continuous monolayer was formed. The equivalent of a monolayer of undecanoic acid was absorbed on the copper crystal after about 64 hr., but the (100) face adsorbed more of this acid than either of the other three faces for adsorption times less than 17 hrs. The (100) face was roughened the most by oxidation, and this face of the oxidized crystal was outstanding in its adsorption of both acids. The equivalent of a monolayer of undecanoic acid that followed the irregularities of the surface was not adsorbed after 128 hr. on any of the faces of the oxidized crystal. Approximately the equivalent of a monolayer of nonadecanoic acid was adsorbed after 1 min. on the oxidized surface, but the adsorbate rapidly desorbed into the solution.</p></div>","PeriodicalId":15437,"journal":{"name":"Journal of Colloid Science","volume":"20 4","pages":"Pages 341-352"},"PeriodicalIF":0.0,"publicationDate":"1965-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0095-8522(65)90081-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91700455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Particle behavior in shear and electric fields: IV. The viscosity of suspensions of nonrotating ellipsoids☆ 剪切和电场中的粒子行为:IV.非旋转椭球悬浮液的粘度
Journal of Colloid Science Pub Date : 1965-04-01 DOI: 10.1016/0095-8522(65)90080-2
C. Chaffey, S. G. Mason
{"title":"Particle behavior in shear and electric fields: IV. The viscosity of suspensions of nonrotating ellipsoids☆","authors":"C. Chaffey, S. G. Mason","doi":"10.1016/0095-8522(65)90080-2","DOIUrl":"https://doi.org/10.1016/0095-8522(65)90080-2","url":null,"abstract":"","PeriodicalId":15437,"journal":{"name":"Journal of Colloid Science","volume":"4 1","pages":"330-340"},"PeriodicalIF":0.0,"publicationDate":"1965-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79541583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
The permeability of soap films to gases 肥皂膜对气体的渗透性
Journal of Colloid Science Pub Date : 1965-04-01 DOI: 10.1016/0095-8522(65)90082-6
H. M. Princen, S. G. Mason
{"title":"The permeability of soap films to gases","authors":"H. M. Princen, S. G. Mason","doi":"10.1016/0095-8522(65)90082-6","DOIUrl":"https://doi.org/10.1016/0095-8522(65)90082-6","url":null,"abstract":"","PeriodicalId":15437,"journal":{"name":"Journal of Colloid Science","volume":"12 1","pages":"353-375"},"PeriodicalIF":0.0,"publicationDate":"1965-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85875565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 119
The oxide-water interface—Interrelation of the zero point of charge and the heat of immersion 氧化-水界面——电荷零点与浸入热的相互关系
Journal of Colloid Science Pub Date : 1965-04-01 DOI: 10.1016/0095-8522(65)90083-8
T. Healy, D. Fuerstenau
{"title":"The oxide-water interface—Interrelation of the zero point of charge and the heat of immersion","authors":"T. Healy, D. Fuerstenau","doi":"10.1016/0095-8522(65)90083-8","DOIUrl":"https://doi.org/10.1016/0095-8522(65)90083-8","url":null,"abstract":"","PeriodicalId":15437,"journal":{"name":"Journal of Colloid Science","volume":"55 1","pages":"376-386"},"PeriodicalIF":0.0,"publicationDate":"1965-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90786370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 95
Overturning of monolayers 单层膜的倾覆
Journal of Colloid Science Pub Date : 1965-04-01 DOI: 10.1016/0095-8522(65)90084-X
Ralph C. Ehlert
{"title":"Overturning of monolayers","authors":"Ralph C. Ehlert","doi":"10.1016/0095-8522(65)90084-X","DOIUrl":"https://doi.org/10.1016/0095-8522(65)90084-X","url":null,"abstract":"","PeriodicalId":15437,"journal":{"name":"Journal of Colloid Science","volume":"20 4","pages":"Pages 387-390"},"PeriodicalIF":0.0,"publicationDate":"1965-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0095-8522(65)90084-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90021247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 36
The permeability of soap films to gases 肥皂膜对气体的渗透性
Journal of Colloid Science Pub Date : 1965-04-01 DOI: 10.1016/0095-8522(65)90082-6
H.M. Princen, S.G. Mason
{"title":"The permeability of soap films to gases","authors":"H.M. Princen,&nbsp;S.G. Mason","doi":"10.1016/0095-8522(65)90082-6","DOIUrl":"https://doi.org/10.1016/0095-8522(65)90082-6","url":null,"abstract":"<div><p>A stabilized gas bubble resting at a gas/liquid interface decreases in size owing to outward diffusion of gas across the liquid film at the top of the bubble. Brown, Thuman, and McBain used the rate of shrinkage to calculate the permeability of the film to air but the theory employed is inexact.</p><p>An improved theory is presented here which takes into account the exact shape of the bubble and, in the case of multicomponent gases such as air, the changing composition. It is shown that after a short period the composition of the gas in the bubble adjusts itself so that the observed permeability becomes constant.</p><p>If the equilibrium thickness of the film is known, the method can be used to measure the permeability of the monolayers on both sides of the film.</p><p>The experimental results support the modified theory. The method appears to produce accurate and reproducible values of the film permeability, and values for a number of gases at various concentrations of surfactant, at various temperatures, and with added electrolytes are presented.</p></div>","PeriodicalId":15437,"journal":{"name":"Journal of Colloid Science","volume":"20 4","pages":"Pages 353-375"},"PeriodicalIF":0.0,"publicationDate":"1965-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0095-8522(65)90082-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91700453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 112
Transport characteristics of suspension: VIII. A note on the viscosity of Newtonian suspensions of uniform spherical particles 悬浮液的运输特性:关于均匀球形粒子的牛顿悬浮液粘度的注释
Journal of Colloid Science Pub Date : 1965-03-01 DOI: 10.1016/0095-8522(65)90016-4
David G Thomas
{"title":"Transport characteristics of suspension: VIII. A note on the viscosity of Newtonian suspensions of uniform spherical particles","authors":"David G Thomas","doi":"10.1016/0095-8522(65)90016-4","DOIUrl":"10.1016/0095-8522(65)90016-4","url":null,"abstract":"<div><p>A critical analysis was made of the extensive experimental data on the relative viscosity of suspensions of uniform spherical particles. By appropriate extrapolation techniques, non-Newtonian, inertial, and nonhomogeneous suspension effects were minimized. As a result, the scatter of the data was reduced from ±75% to ±13% at a volume fraction solids of 0.50. The coefficients of different power series relating relative viscosity and volume fraction solids were determined using a nonlinear least squares procedure. It was shown that a new expression containing three terms of a power series with coefficients determined from previous theoretical analyses and an exponential term with two adjustable constants fit the data as well as a power series with six terms, either three or four of which were adjustable constants with the remaining coefficients being theoretical values.</p></div>","PeriodicalId":15437,"journal":{"name":"Journal of Colloid Science","volume":"20 3","pages":"Pages 267-277"},"PeriodicalIF":0.0,"publicationDate":"1965-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0095-8522(65)90016-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85815253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1009
Shape of a fluid drop at a fluid-liquid interface. II. Theory for three-phase systems 在液-液界面处液滴的形状。2三相系统理论
Journal of Colloid Science Pub Date : 1965-03-01 DOI: 10.1016/0095-8522(65)90015-2
H.M Princen, S.G Mason
{"title":"Shape of a fluid drop at a fluid-liquid interface. II. Theory for three-phase systems","authors":"H.M Princen,&nbsp;S.G Mason","doi":"10.1016/0095-8522(65)90015-2","DOIUrl":"10.1016/0095-8522(65)90015-2","url":null,"abstract":"<div><p>The equilibrium shape of a liquid or gas drop (Phase 1 of density <em>d</em><sub>1</sub>) at a horizontal interface separating two fluid phases (Phases 2 and 3 of densities <em>d</em><sub>2</sub> and <em>d</em><sub>3</sub>) can be calculated from the principles of capillarity. In the most general system these calculations are extremely complicated, and solutions have been obtained only for some special cases (very small drops; systems with <em>d</em><sub>1</sub> = <em>d</em><sub>3</sub>; and very large drops when <em>d</em><sub>3</sub> &lt; <em>d</em><sub>1</sub> &lt; <em>d</em><sub>2</sub>).</p><p>When <em>d</em><sub>1</sub> &lt; <em>d</em><sub>3</sub> there is a critical drop size above which the drop cannot be supported by the interface and ascends to the top of the system. This is illustrated with the model system of an infinitely long cylinder at an interface. The same model system is used to illustrate the experimental observation that a cluster of two or more drops, each of which is below the critical size, may cross the interface.</p></div>","PeriodicalId":15437,"journal":{"name":"Journal of Colloid Science","volume":"20 3","pages":"Pages 246-266"},"PeriodicalIF":0.0,"publicationDate":"1965-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0095-8522(65)90015-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79981267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 58
The proteins: Composition, structure. and function 蛋白质:组成，结构。和功能
Journal of Colloid Science Pub Date : 1965-03-01 DOI: 10.1016/0095-8522(65)90019-X
Jacinto Steinhardt
{"title":"The proteins: Composition, structure. and function","authors":"Jacinto Steinhardt","doi":"10.1016/0095-8522(65)90019-X","DOIUrl":"10.1016/0095-8522(65)90019-X","url":null,"abstract":"","PeriodicalId":15437,"journal":{"name":"Journal of Colloid Science","volume":"20 3","pages":"Pages 286-288"},"PeriodicalIF":0.0,"publicationDate":"1965-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0095-8522(65)90019-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"99914029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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