A Short Textbook of Colloid Chemistry by B. Straumanis, M.E. Jirgensons

By B. Straumanis, M.E. Jirgensons

Show description

Read or Download A Short Textbook of Colloid Chemistry PDF

Similar textbook books

History of Criminal Justice (4th Edition)

Covering legal justice historical past on a cross-national foundation, this e-book surveys felony justice in Western civilization and American lifestyles chronologically from precedent days to the current. it truly is an advent to the old difficulties of crime, legislations enforcement and penology, set opposed to the historical past of significant historic occasions and movements.

Integrating felony justice background into the scope of eu, British, French and American background, this article offers the chance for comparisons of crime and punishment over limitations of nationwide histories. The textual content now concludes with a bankruptcy that addresses terrorism and place of birth security.
* each one bankruptcy greater with supplemental containers: "timeline," "time capsule," and "featured outlaw. "
* Chapters additionally include dialogue questions, notes and problems.

Foot Orthoses and Other Forms of Conservative Foot Care

During the last 15 years, using custom-prescribed foot orthoses has gone through a meteoric upward thrust in reputation. as a result of their skill to enhance the sensible alignment among the foot, knee, hip, and pelvis, many practitioners have discovered that they could successfully deal with a large choice of issues with customized foot orthoses.

Vector Calculus, Linear Algebra, and Differential Forms (4th Edition): Student Solution Manual

A pupil answer handbook - with options for the 4th variation of vector Calculus and Linear Algebra.

Problem Solving & Comprehension

This renowned e-book indicates scholars how one can raise their strength to research difficulties and understand what they learn utilizing the imagine Aloud Pair challenge fixing [TAPPS] procedure. First it outlines and illustrates the strategy that sturdy challenge solvers use in attacking advanced rules. Then it presents perform in using this technique to quite a few comprehension and reasoning questions, awarded in easy-to-follow steps. As scholars paintings during the publication they'll see a gentle development of their analytical considering talents and develop into smarter, more beneficial, and extra convinced challenge solvers. not just can utilizing the TAPPS technique support scholars achieve larger ratings on exams generic for school and task choice, it teaches that challenge fixing should be enjoyable and social, and that intelligence might be taught.

Changes within the 7th version: New bankruptcy on "open-ended" challenge fixing that incorporates inductive and deductive reasoning; prolonged options to lecturers, mom and dad, and tutors approximately the right way to use TAPPS instructionally; significant other site with PowerPoint slides, studying lists with hyperlinks, and extra difficulties.

Additional resources for A Short Textbook of Colloid Chemistry

Example text

49, 47, 171, 265 (1945). J. FERRY; Chem. Revs. 18, 373 (1936). 24 SIMPLE, BASIC EXPERIMENTAL METHODS Thus, using ultrafilters with very narrow capillaries the particles appear smaller than they actually are because they adsorb on and block the capillaries. Diffusion and dialysis It is remarkably difficult to perform accurate diffusion experiments in solutions. This was early noted by GRAHAM, who proposed to observe diffusion not in liquids but instead in soft jellies. By means of the following simple experiments it is easy to distinguish coloured colloids from coloured micromolecular solutions.

Metal sols usually contain 0 Τ - 0 · 5 % metal, the sols of hydroxides and sulphides 1 - 5 % of the solid. T h e concentration of the solutions of fibrous molecular colloids, t o o , is usually only about 0 - 2 - 1 % . More concentrated sols of fibrous substances set easily. It is possible, however, to prepare quite concentrated sols of hydrophilic spherocolloids, for instance 1 0 - 1 5 % sols of albumin or casein. Concentrated sols of ferric hydroxide or arsenious sulphide are also known. F o r instance, BOUTARIC a n d VUILLAUME ( 1 9 2 4 ) prepared a n arsenious sul- phide sol which contained 3 0 0 grams A s 2 S 3 per litre.

This is obtained from equation (4) by introducing the dimensions of the quantities ; the mass cancels out. The solution of the equation (4), however, is quite complicated. Tables are available to facilitate the estimation 40 KINETIC PROPERTIES OF DISPERSE SYSTEMS of D from the determined concentration values in different layers in certain time intervals. The values for D obtained in diffusion experiments with colloids can be introduced in the equation (3), so that Ν or r can be calculated. The value of Z>, which SVEDBERG obtained experimentally from FICK'S law for a particular gold sol, if introduced in (3), gives r the value of 1-29.

Download PDF sample

Rated 4.10 of 5 – based on 49 votes