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  1. NLM Digital Collections - Q3D(R1) elemental impurities 
    Publication: Silver Spring, MD : Center for Drug Evaluation and Research, March 2020
    resource.nlm.nih.gov/101772630
    ... pharmaceuticals will be in the form of metallic chromium (Cr(0)) or Cr(3+) rather than the more toxic Cr(6+); therefore, for drug products, this safety assessment is based on the known toxicity of ...
  2. NLM Digital Collections - Q3D(R2) elemental impurities 
    Publication: Silver Spring, MD : Center for Drug Evaluation and Research, September 2022
    resource.nlm.nih.gov/9918486675506676
    ... pharmaceuticals will be in the form of metallic chromium (Cr(0)) or Cr(3+) rather than the more 1332 toxic Cr(6+); therefore, for drug products, this safety assessment is based on the known toxicity 1333 ...
  3. NLM Digital Collections - The principles of chemistry : illustrated by simple experiments 
    Publication: Cambridge [Mass.] : Bartlett, 1852
    resource.nlm.nih.gov/60740620R
    ... Chlorine CI = 35.5 Rhodium R = 52.2 Chromium Cr = 26.7 Ruthenium Ru= 52.2 Cobalt Co = ...
  4. NLM Digital Collections - Manual of chemistry : a guide to lectures and laboratory work for beginners in chemistry : a .... 
    Publication: Philadelphia : Lea Brothers & Co., 1895
    resource.nlm.nih.gov/101619730
    ... Cerium . . . Ce 139.9 Chlorine . . .Cl 35.37 Chromium . . Cr 52.0 Cobalt . . .Co 58.6 Columbium2 . . Cb ...
  5. NLM Digital Collections - A systematic handbook of volumetric analysis, or, The quantitative estimation of chemical ... 
    Publication: Philadelphia : P. Blakiston's Son, 1902
    resource.nlm.nih.gov/101585507
    ... gm. Cl. 3-5486351 532 VOLUMETRIC ANALYSIS. § 99. Chromium (Cr = 52'4) Logarithms. Metallic iron x 0-3123 = ...
  6. NLM Digital Collections - The dispensatory of the United States of America 
    Publication: Philadelphia : Lippincott, 1874
    resource.nlm.nih.gov/101539501
    ... Chlorine Cl 35-5 Chloroform - CaHCls 119 5 Chromium Cr 26-3 sesquioxide - o2o3 76 6 hydrated - Cr ...
  7. NLM Digital Collections - Chemistry, inorganic and organic : with experiments 
    Publication: Philadelphia : P. Blakiston, 1888
    resource.nlm.nih.gov/101619322
    ... which have no parallel in the iron series. CHROMIUM. Cr = 52.5 parts by weight. 233. This metal ...
  8. NLM Digital Collections - A compend of pharmacy 
    Publication: Philadelphia : P. Blakiston, Son & Co., 1895
    resource.nlm.nih.gov/101635569
    ... acid is more properly called chromic an- hydride : CHROMIUM. Cr; 52. K.2Cr,07 + 2H2SOi = 2CrO? + 2KHS04 + H2G. ...
  9. NLM Digital Collections - A compend of chemistry, inorganic and organic : including urinary analysis and the sanitary ... 
    Publication: Philadelphia : P. Blakiston, 1888
    resource.nlm.nih.gov/101619288
    ... 104.4 Chlorine, . Cl / 35-4 Samarium, . Sm /// Chromium, . Cr iv 52.2 Scandium, . Sc /// 44 Cobalt, . Co // ...
  10. NLM Digital Collections - Text-book of medical chemistry : for medical and pharmaceutical students and practitioners 
    Publication: Philadelphia : P. Blakiston, 1890
    resource.nlm.nih.gov/101635495
    ... VII 35-5 35-5 35-370 — 15 Chromium Cr II, IV, (Cra)vi 6.8 52 52. ... Phosphorus P Iodine . . I Arsenic . . As Arsenic . . As Chromium Cr Boron . . . B Antimony . Sb Carbon . . C ManganeseMn Silicon . . ...
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