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  1. NLM Digital Collections - A compendium of the course of chemical instruction in the Medical Department of the ... 
    Publication: Philadelphia : Auner, 1840-43
    resource.nlm.nih.gov/04510160R
    ... Os - 100 Cerium Ce 4G Palladium Pd 53 Chromium Cr 28 Rhodium R 52 Cobalt Co 30 Thorium ...
  2. NLM Digital Collections - First step in chemical principles : an introduction to modern chemistry, intended especially .... 
    Publication: Philadelphia : Edward Stern & Co., 1879
    resource.nlm.nih.gov/60730920R
    ... Chlorine Cl 35-4 Ruthenium Ru 103.5 Chromium Cr 52-4 Selenium Se 78 Cobalt Co 58. ...
  3. NLM Digital Collections - Toxicology, or, The effects of poisons 
    Publication: Philadelphia, P. Blakiston's Son & Co., [1924]
    resource.nlm.nih.gov/10110430R
    ... Treuhardt: J. Biol. Chern., 1914, 17, p. 265. CHROMIUM (Cr) Chromium is a white, hard crystalline metal which is ...
  4. NLM Digital Collections - A text-book of inorganic chemistry 
    Publication: Philadelphia : P. Blakiston, Son & Co., 1885
    resource.nlm.nih.gov/04630350R
    ... Calcium *. ...Ca 0,170 39-9 6.8 Chromium ...Cr 0,100 524 5-2 Manganese ...Mn 0, ... compounds are brightly col- ored, hence, the name chromium (from xpibtia, color). Cr = 52.4. INORGANIC CHEMISTRY. CHROMOUS COMPOUNDS. These are ...
  5. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Lippincott, 1872
    resource.nlm.nih.gov/101539499
    ... Lime, carbonate. Chlorine Cl 355 Chloroform - C2HCJ3 1195 Chromium Cr 26-3 sesquioxide - o2os 16 6 hydrated - Cr ...
  6. NLM Digital Collections - Elements of chemistry : including the recent discoveries and doctrines of the science 
    Publication: Philadelphia : Desilver, Thomas & Co., 1835
    resource.nlm.nih.gov/101532906
    ... Stannum) Sn Chlorine CI Molybdenum Mo Titanium Ti Chromium Cr Nickel Ni Tungsten (Wol- Cobalt Co Nitrogen . N ... calcite) . j 11. Sesquioxide of iron Sesquioxide of chromium Sesquioxide of manganese Pb. Al. Fe. Cr. Mn. Ammonia with 1 eq. of waterH3N-f- ...
  7. NLM Digital Collections - A text book on chiropractic chemistry 
    Publication: Davenport, Ia., S. J. Burich, c1919
    resource.nlm.nih.gov/04530200R
    ... I 35.5 Rubidium Rb I 85.5 Chromium Cr IV 52.1 Ruthenium Ru II IV 101. ... atomic weight of 52.1 and the symbol Cr. Occurrence.-Chromium is never found in the free state, but ...
  8. NLM Digital Collections - A manual of elementary chemistry, theoretical and practical 
    Publication: Philadelphia : Blanchard and Lea, 1860
    resource.nlm.nih.gov/101588635
    ... Calcium . . Ca Carbon . . C Cerium . Ce Chlorine . . CI Chromium . Cr Cobalt . . Co Copper(Cuprum) Didymium Erbium . . Cu • • Dy . ... isomorphous with, those of iron. The equivalent of chromium is 26-7; it symbol is Cr. Protoxide of chromium, CrO.—When potassa is added ...
  9. NLM Digital Collections - Manual of qualitative chemical analysis 
    Publication: New York : Wiley, 1882
    resource.nlm.nih.gov/101590419
    ... phosphates of the alkali-earth metals. §102. b. Chromium Cr. 52*2 and Chromic Compounds.-}* 1. Chromic oxide ... Cr r-Cl XC1 Cr=0 i >0 Cr—o § 102.] CHROMIUM. 119 cipitant, imparting to the fluid an emerald- ...
  10. NLM Digital Collections - A manual of inorganic chemistry : arranged to facilitate the experimental demonstration of ... 
    Publication: New York : Ivison, Phinney, Blakeman, and Co., 1868
    resource.nlm.nih.gov/04630130R
    ... of the carbonate of potassium. 615. Sesquioxide of Chromium (Cr.,03).—Compounds of this oxide are more commonly met with than any other of the chro- mium salts, except the salts of ... sesquioxide of chromium is thrown down, which, when collected and ignited, ...
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