- NLM Digital Collections - A system of chemistry, in four volumes (Volume 1)Publication: Philadelphia : Printed and published by Abraham Small ..., 1818... Meyer,** that the fluoric acid of Scheele contained silica as a constituent, and Dr. John Davy ascertained the proportion of fluoric acid and of silica, that exist in the acid of Scheele,ff ...
- NLM Digital Collections - Elements of chemistry : including the most recent discoveries and applications of the science ...Publication: New-York : Published by Harper & Bros., 1846... they are combined with oxide of iron and silica. They are separated by means of their copper ... the ashes of wheat, we find abundance of silica, phosphoric acid, magne- sia, lime, and potash. If ...
- NLM Digital Collections - Human physiology (Volume 1)Publication: Philadelphia : Lea and Blanchard, 1850... phosphate of lime 136*509 grains; and of silica 219*548 grains; in the whole 356*057 ... lime; and she passed 185*266 grains of silica. The fixed parts, thrown out of the system ...
- NLM Digital Collections - A report on the hygiene of the United States Army, with descriptions of military postsPublication: Washington : Government Printing Office, 1875... of sodium 1G.0G grains. Lime a trace. Silica. . not estimated. Entire solid contents 55.11 grains. ... grains 398 Chloride of sodium, grains 1.000 Silica, grains 021 Bromine a trace. 7.153 Although ...
- NLM Digital Collections - Chemical warfare agents and related chemical problems (Parts 1-2)Publication: Washington, D.C. : Office of Scientific Research and Development, National Defense Research Committe, Division 9, 1946... including treatment with ammonia, heat treatment, treatment with silica gel or charcoal, distillation under xarious pressures, flash ... compounds by hot platinum filaments or hot platinized silica gel to produce hydrogen fluoride is applicable to ...
- NLM Digital Collections - A practical dictionary of materia medica : including the composition, preparation, and uses ...Publication: Philadelphia : Haswell, Barrington, and Haswell, 1841... these tests, is to show the absence of silica and other substances insoluble in dilute hydrochloric acid, ... earthy salts, nor sulphates, nor chlorides : traces of silica, however, adhere to it with great obstinacy. Where ...
- NLM Digital Collections - Lexicon-medicum, or, Medical dictionary : containing an explanation of the terms in anatomy, ....Publication: New-York : Printed by J. & J. Harper [et al.], 1826... slaty fracture, sectile and rather soft, containing charcoal silica, alumina, oxyde of iron, sulphur, sulphates of lime, ... usually con- tain fully half their weight of silica, and fre- quently other earths. To obtain pure ...
- NLM Digital Collections - The London medical dictionary: including, under distinct heads, every branch of medicine, viz....Publication: Philadelphia : Published by Mitchell, Ames, and White ; William Brown, printer, 1819... others are the yttria, glucina, zircona, agustina, and silica. These are ar- ranged nearly in the order ... quiring any taste, and its salts are tasteless. Silica is well knoAvn by its common appellation, flint. ...
- NLM Digital Collections - A systematic handbook of volumetric analysis, or, The quantitative estimation of chemical ...Publication: Philadelphia : P. Blakiston's Son, 1902... with nitric acid, and again drying to render silica insoluble; the residue is again treated with dilute ... filter off, wash, ignite, and weigh the separated silica. Iron.—To the filtrate from the estimation of ...
- NLM Digital Collections - A bibliographical sourcebook of compressed air, diving, and submarine medicine (Volume 2)Publication: Washington, D.C. : Research Division, Project X-427, Bureau of Medicine and Surgery, Navy Department, 1948-1966... scribed carbon monoxide indicators of the impreg- nated silica gel type. The determination of carbon monoxide in ... Salsbury. Car- bon monoxide indicators of the impregnated silica gel type. U. S. OSRD-NDRC. O. S. R. D. ...
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