- NLM Digital Collections - Evaluation of the industrial hygiene problem of the State of ColoradoPublication: Denver, Colorado : State of Colorado Board of Health, 1939... 838 13 17 1 6 - 347 3 24 Silica Dust 6374 2546 22 301 - 433 2171 144 ... 4 .1 .5 - 13.8 .1 1.6 Silica Dust 20.5 55.3 2.9 31. ... 12.2 .2 .2 * .1 - 5.1 « .3 Silica Dust 6374 39.9 • 3 4.7 - 7. ...
- NLM Digital Collections - The dispensatory of the United States of AmericaPublication: Philadelphia : Lippincott, 1874... principle, lignin, salts of potassa and lime, and silica; and thinks that a vinegar or ointment of ... various saline substances, besides free malic acid and silica. Dr. Probst, of Heidelberg, afterwards found in it ...
- NLM Digital Collections - Encyclopaedia Americana: a popular dictionary of arts, sciences, literature, history, ...Publication: Philadelphia : Carey & Lea, 1830-33... temples, theatre's, amphithe- atres, circuses, naumachiae, porticoes, ba- silica?, baths, gardens, triumphal arches, columns, sewers, aqueducts, sepulchres, & ...
- NLM Digital Collections - The elements of materia medica and therapeutics (Volume 1)Publication: Philadelphia : Lea and Blanchard, 1846... third part, by weight, of this principle; for silica, carbonate of lime, and alumina, the three most ... Theoretical Geology, p. 8.- Lond. 1834.) calculates that silica alone constitutes " forty-five per cent, of the ...
- 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 - A dictionary of arts and sciences (Volume 2)Publication: Philadelphia : Published by Isaac Peirce ..., 1815-1816... saclactic acid, and traces of phosphoric acid and silica. But all these ingredients are not essential to ... is composed of 58.25 alumina 38.00 silica 3.75 a trace of iron, and loss. ...
- ... a lung disease caused by breathing in (inhaling) silica dust. ... Silica is a common, naturally-occurring crystal. It is found in most rock beds. Silica dust forms ...
- 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 - Syllabus to lectures on chemistryPublication: Charleston, S.C. : S. Babcock & Co. ; New York : Wiley & Putnam ; New Haven : B & W Noyes, 1841... to 3 6. The lightest kind consists of silica'and potassa ; that with lime is rather heavier, ... 07 0.40 Magnesia, - " .22 Alumina, ox. iron, silica and phos. lime, ^ ^ Salts and volatile oil, - ^_^ „,_„. 17. ...
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