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  1. NLM Digital Collections - Standard methods of chemical analysis : a manual of analytical methods and general reference .... 
    Publication: New York : D. Van Nostrand Company, 1917
    resource.nlm.nih.gov/04620750R
    ... of NH4CI fumes which are sometimes a nuisance. CHROMIUM Cr, at.wt. 52.0; sp.gr. 6.92; ... Chlorine Cl 35.46 Radium Rn. 226 0 Chromium Cr 52.0 Rhodium Rh 102 9 Cobalt Co ...
  2. NLM Digital Collections - Manual of chemistry : a guide to lectures and laboratory work for beginners in chemistry : a .... 
    Publication: Philadelphia : Lea Brothers & Co., 1898
    resource.nlm.nih.gov/101619734
    ... the Latin calx, lime, the oxide of calcium. Chromium, Cr = 52.0. From the Greek XP^Pa (chroma), ... color due to the formation of permanganic acid. Chromium, Cr = 52. Found in nature almost exclusively as chromite, ...
  3. NLM Digital Collections - Manual of chemistry : a guide to lectures and laboratory work for beginners in chemistry : a .... 
    Publication: Philadelphia : Lea Brothers & Co., 1891
    resource.nlm.nih.gov/101619726
    ... the Latin cake, lime, the oxide of calcium. Chromium, Cr — 52.4. From the Greek XP&Pa (chroma), ... color due to the formation of permanganic acid. Chromium, Cr = 52.4. Found in nature almost exclusively as ...
  4. NLM Digital Collections - Essentials of medical chemistry, organic and inorganic : containing also questions of medical ... 
    Publication: Philadelphia : W.B. Saunders, 1893
    resource.nlm.nih.gov/101619824
    ... member of this group of interest in medicine ? Chromium, Cr, a. w. 52.4, forming two series of ... v, vii 35.4 Silicium . . . Si iv 28 Chromium . . Cr ii, iv 52.4 Silver Cobalt .... Co ii, ...
  5. NLM Digital Collections - Essentials of chemistry and toxicology : for the use of students in medicine 
    Publication: New York : William Wood & Company, 1888
    resource.nlm.nih.gov/101619241
    ... brown pre- cipitate. GROUP II.—THE IRON GROUP. Chromium Cr 52. Manganese Mn 54. Iron Fe 56. 860. ... chloride, Fe3Cl8 ferric chloride. 104 ESSENTIALS OF CHEMISTRY. chromium. Cr. 52.4. 361. Give the formula of chromic ...
  6. NLM Digital Collections - Manual of chemistry : a guide to lectures and laboratory-work for beginners in chemistry : a .... 
    Publication: Philadelphia : Lea Brothers & Co., 1888
    resource.nlm.nih.gov/101619722
    ... the Latin calx, lime, the oxide of calcium. Chromium, Cr = 52.4. From the Greek xp<jfa (chroma), ... color due to the formation of permanganic acid. Chromium, Cr = 52.4. Found in nature almost exclusively as ...
  7. NLM Digital Collections - Plattner's manual of qualitative and quantitative analysis with the blowpipe 
    Publication: New York : D. Van Nostrand, 1872
    resource.nlm.nih.gov/04610730R
    ... a light gray color. 0 6. Sesquioxide of Chromium, Cr. Unaltered in 0. F. and It. F. 0. ... further treated as has been described above. 23. Chromium, Cr. Its occurrence in the mineral kingdom. It occurs: ...
  8. NLM Digital Collections - A treatise on practical chemistry and qualitative inorganic analysis : adapted for use in the ... 
    Publication: Philadelphia : Lea Brothers & Co., 1885
    resource.nlm.nih.gov/101619780
    ... blue. 96 GROUP III.A.—CHROMIUM. [102-106. Chromium (Cr).—Use CrK(S04)2.12H20. Chromic salts are ... phide or Zinc [ Group. Aluminium . A1 Iron . . Fe Chromium . Cr 4. Zinc ■ . . Zn Manganese . Mn Nickel . . Ni Cobalt . . ...
  9. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Lippincott, Grambo and Co., 1851
    resource.nlm.nih.gov/101539489
    ... Chlorine Cl 35-4^ Chloroform ’ C2HC13 119 -26 Chromium Cr 26-21 Cinchonia 154 disulphate - - - - 2NCa 0HMO,SOa ...
  10. NLM Digital Collections - Environmental factors, carcinogenesis 
    https://resource.nlm.nih.gov/2933155RX542
    ... listed in Table 2 The water soluble hexavalent chromium (Cr*9) content of the residue increases with decrease ... of Injection, Latent Period, and Dose of Hexavalent Chromium (Cr*®) Tumors Group No. Material No. % 1 Interval * Crtes ...
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