Book.
1951 - Gale Group | East Germany
P. W. Carlene, F. M. Rowe, J. B. Speakman,
... 4 ‐ ion has a marked affinity for wool, chromium is rapidly absorbed when wool is immersed in ... fibres, with liberation of hydrogen sulphide, and the chromium in both the fibres and the bath is ... The course of combination and reduction of the chromium was followed by determining the total amount of chromium absorbed by the wool, and the proportions of hexavalent and trivalent chromium in the residual chroming baths and on the ... of ammonium salts. The nature of the wool‐chromium complex was then examined by studying the elastic ...
Tópico(s): Dyeing and Modifying Textile Fibers
1946 - Wiley | Journal of the Society of Dyers and Colourists
Book.
1942 - Gale Group | World Scholar Latin America
E. Race, F. M. BOWE, J. B. Speakman,
... the onchrome, metachrome and afterchrome processes, removing excess chromium from the wool by continuous extraction with N‐ ... solution at room temperature and relating the residual chromium on the fibre to the known amount of ... on the fibre, the constitutions of the dye‐chromium complexes formed when wool is dyed with 4‐ ... 2 mol. dye associated with 1 atom of chromium. In the case of 4‐chloro‐2‐aminophenol‐ ... by the metachrome process either a true dye‐chromium lake is not formed or that which is ... mol. dye are associated with 1 atom of chromium is probably a tribasic acid; e. g. in ...
Tópico(s): melanin and skin pigmentation
1946 - Wiley | Journal of the Society of Dyers and Colourists
Sir W. De W. Abney, S. E. Sheppard, C. E. K. Mees, Douglas English, W. L. F. Wastell, C. Welborne Piper, D. J. Carnegie, Frederic E. Ives,
... Patrons, Competitions, Bookings for Affiliation Lectures, Intensification with Chromium and Iodine Chromium Intensification, Programme of Meetings, Reviews, ...
1905 - Gale Group | NCCO Photography
A. J. Clawson, J. T. Reid, B. E. Sheffy, J. P. Willman,
... investigation was made of the applicability of the chromium oxide-indicator method to a study of the ... found that digestion coefficients derived from from the chromium oxide concentrations of the feed and feces were ... determined in total collection trials. The concentration of chromium oxide in the feces of pigs self fed rations containing chromium oxide became relatively constant between three and four ... the initial feeding. The rates of recovery of chromium oxide from individual samples of feces taken at ...
Tópico(s): Animal Nutrition and Physiology
1955 - Oxford University Press | Journal of Animal Science
ASTM International
J. Brier Jr., William Crookes, Paul Emile Placet, W. Howard, M. D. Batti, Dr. H. Vogel, Sam. Glen Payne, H. Baden Pritcthard, James Martin, William Henry Watson,
... Dry Process Which Has Never Produced Blisters, Silver, Chromium, Carbon Chromium Carbon. Table of contents: Contents. Editorial: To Correspondents. ...
1876 - Gale Group | NCCO Photography
... in metal cancerigenesis. XI. On the penetration of chromium into the cell nucleus Charles H. Grogan Ph. ... onEmailFacebookTwitterLinkedInRedditWechat References 1 Baetjer, A. M.: Relation of chromium to health. In M. J. Udy, Ed.: Chromium, vol. 1. New York, N.Y. Rheinhold Publishing ... P., and Ross, J. F.: Use of radioactive chromium 51 as an erythrocyte tagging agent for determination ... Determination of circulating red cell volume by radioactive chromium. Science 112: 179–180, 1950. 10.1126/science. ... of red cells and plasma proteins with radioactive chromium. J. Clin. Invest. 29: 1604–1613, 1950. 10. ...
Tópico(s):
1958 - Wiley | Cancer
Talbot Archer, Romyn Hitchcock, Abe Lizzard, P. C. Duchochois, W. E. Partridge, Hugh Marshall, Adolph Schultz, H. McMichael, Prof. C. F. Chandler, Fred. K. Morrill, George B. Compton,
... Club, December Work for the Amateur, Chemistry of Chromium and Its Salts and Their Behavior in Photography Chromium, Cr., English Notes, American Institute— Photographic Section Informal ...
1889 - Gale Group | NCCO Photography
Nobufumi Maki, Yoichi Shimura, Ryutaro Tsuchida,
... The first diffusion current corresponds to the reduction, chromium(III)→chromium(II), and the second to the reduction, chromium(II)→chromium(0). 2. In the solution of 0.1 ... gain of one electron, represents the reduction of chromium(III) to chromium(II) and the last wave, corresponding to a ... former wave represents the reduction of the original chromium(III) complexes to chromium(II) state and the latter represents the reduction of the aquated chromium(III) complexes to chromium(II) state. 3. In ...
Tópico(s): Inorganic and Organometallic Chemistry
1958 - Oxford University Press | Bulletin of the Chemical Society of Japan
ASTM International
C. H. Bothamley, Walter De Welford, Albert O. Forrest, C. Welborne Piper,
... Answers to Correspondents Special Notice, Summary, Persulphate Reduction, Chromium Intensification and Uranium Toning, The Professional Photographic Association ...
1918 - Gale Group | NCCO Photography
Chromium has been determined in 227 rocks and minerals by means of the diphenylcarbazido colorimetric method, which ... the difference between duplicate determinations, is ±2%, and chromium contents down to 1 p.p.m. can be measured. The analyses show that chromium is concentrated in the basic and ultrabasic rocks, ... p.m. Cr. In the basic rocks, the chromium is present in specific chromium minerals such as chromite and picotite, and also ... magnetites and pyroxenes. The felspar contains almost no chromium. The chromium content of volcanic rocks decreases steadily ...
Tópico(s): Geochemistry and Elemental Analysis
1960 - Elsevier BV | Geochimica et Cosmochimica Acta
C. W. Canfield, W. Jerome Harrison, G. Livingston Morse, P. C. Duchochois, Geo. R. Angell, H. P. Robinson, J. W. Gibboney, E. F. Wilder,
... Printing with the Salts of Iron and of Chromium, The Society of Amateur Photographers of New York ...
1889 - Gale Group | NCCO Photography
... articleNext article No AccessAccumulation and Elimination of Hexavalent Chromium in Rainbow TroutJ. Knoll and P. O. FrommJ. ... common toad Duttaphrynus melanostictus from exposure to hexavalent chromium, Aquatic Toxicology 177 (Aug 2016): 98–105.https:// ... aquatox.2015.12.011Scott D. Reid Molybdenum and chromium, (Jan 2011): 375–415.https://doi.org/10. ... R.S. Rathore, D.M. Tripathi Effects of Chromium on Humoral and Cell-Mediated Immune Responses and ... Nephrotoxic and hepatotoxic effects of trivalent and hexavalent chromium in a teleost fish Anabas scandens: Enzymological and ...
Tópico(s): Fish biology, ecology, and behavior
1960 - University of Chicago Press | Physiological Zoology
M. Chardon, Mm. A. Riche, C. Bardy, W. T. Bovey, William Heighway, William Henry Watson,
... Photography in the West, On the Employment of Chromium Salts and Permanganate of Potash in Photography, The ...
1875 - Gale Group | NCCO Photography
Russell J. Collins, Paul O. Fromm, W. D. Collings,
Renal clearance of chromium decreases exponentially with time after a single intravenous injection of Cr 51 Cl 3 from 2.5 or 3 ... dialysis measurements showed similar results for plasma dialyzable chromium. These observations lead to the determination of a dialyzable chromium clearance (C d-cr ) in which the concentration in dialyzable chromium replaced total plasma chromium in the clearance formula. The mean and standard ... m 2 was relatively unaffected by time after chromium administration, plasma concentration of dialyzable chromium, or rate ...
Tópico(s): Heavy Metal Exposure and Toxicity
1961 - American Physiological Society | American Journal of Physiology-Legacy Content
Paul Thieme, S. H. Wratten, C. E. Kenneth Mees, W. Holt, A. Redmond, Edgar Simpson, D. G. Thomas, John Bell,
... for Firing a Flashlight To the Editors, Correspondence, Chromium Intensification To the Editors. Editorial: Answers to Correspondents. ...
1909 - Gale Group | NCCO Photography
... of previous investigations dealing with the effects of chromium compounds on the skin. 1-3 The purpose ... to report the effects of hexavalent and trivalent chromium compounds in clinical and laboratory studies of the role of chromium compounds in shoe leather dermatitis, of absorption of hexavalent and trivalent chromium compounds in the skin of guinea pigs, and of conjugation between chromium salts with various proteins and the inactivation of chromium reactions. I. Chromium Compounds in the Causation of ...
Tópico(s):
1961 - American Medical Association | Archives of Dermatology
A. O. Zwick, Arthur Weir Smith, A. J. Howe, J. M. Scudder, W. W. Thom, Joseph Adolphus, W. N. Mundy, M.D., , N. M. Dewes, A. F. Stephens, Victor G. Vecki, Warren L. Hulse,
... Killing the Small Colleges, Lycopodium Clavatum, Reading Notices, Chromium Sulphate F. W. Schneerer, M. D., Norwalk, O., ...
1912 - Gale Group | NCCO-STM 1of2
... was shown that a person allergic to hexavalent chromium is regularly allergic also to trivalent chromium. Patch tests with strong solutions of trivalent chromium (0.5 M chromium trichloride) are not invariably positive in chromium-sensitive persons. Basophil leukocytes are increased in the inflammatory exudate produced by trivalent chromium in chromium allergic individuals just as in exudate produced by ...
Tópico(s): Occupational exposure and asthma
1964 - American Medical Association | Archives of Dermatology
C. H. Claudy, C. Welborne Piper, Benjamin T. Brooks, A. C. Kalt, Arthur J. White, H. B. Little, Mabel Cox Surdam, R. E. Brigos,
... New York, Geneva Section, A New Method of Chromium Intensification, Photographing Coins, Hypo a Reducer, Granularity in ...
1911 - Gale Group | NCCO Photography