Download or read book A Handbook of Colloid chemistry Tr from the 3d German Ed written by Dr. Wolfgang Ostwald and published by . This book was released on 1915 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Handbook of Colloid chemistry Translated from the 3d German Ed written by Dr. Wolfgang Ostwald and published by . This book was released on 1919 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Handbook of Colloid Chemistry Translated from the 3d German Ed written by Wolfgang Ostwald and published by Rarebooksclub.com. This book was released on 2013-09 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ...' See, for example, the recent work of B. Lofller, Drude's Ann. d. Phys., 23, 3 (1907) ing degree of dispersion of the solid. This rule, however, applies only to average degrees of dispersion, for decided deviations are found when dealing with substances in a state of colloid subdivision. It would be of interest to have available a series of measurements showing the dependence of the density of a dispersoid upon the degree of dispersion. Measurements of density changes in emulsoid systems are more numerous. By direct observation in a dilatometer, H. Quincke1 found that the system, dried egg albumin-water (100 grams albumin + 163.9 cc. water) showed a decrease in volume amounting to 4.175 cc. after thirty-six hours. In another instance (100 grams albumin + 144.77 cc. water) a contraction of 5.168 cc. took place. In the latter instance the contraction in volume amounts to more than 3.5 percent. The densities of dried and hydrated cartilage were observed to be as follows: the calculated values in the table are the arithmetic means. Dried Hydrated. Hydrated. (observed density) (calculated density). _ _ X. __ _ 1.407 1.0892 1.0826 1.368 1.1124 1.1090 Chr. Liidekingf among others has made similar investigations on gelatine gels, and H. Rodewalds on starch. The following table gives some of their findings. TABLE 5 Observed density 'Calculated density Difference 10 percent gelatine........... 1.069 l 1.0412 0.028 20 percent gelatine............ 1.135 1.203. 0.032 50 percent gelatine............ 1.242 O 1.206 0.036 If the volume of 1 cc. of water after contraction is calculated from these figures the following values are obtained: For 10 percent gelatine.............................. 0.96069 cc. For 25 percent...

Download or read book A Handbook of Colloid chemistry Translated from the 3d German Ed written by Dr. Wolfgang Ostwald and published by . This book was released on 1919 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book A Handbook of Colloid Chemistry Translated from the Third German Edition by Dr Martin H Fischer with the Assistance of Ralph E Oesper and Louis Berman written by Wo Ostwald and published by . This book was released on 1915 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Colloid and Capillary Chemistry Tr from the 3rd German Ed written by Herbert Freundlich and published by . This book was released on with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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