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  1. 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
    ... in a 1 per cent, aqueous solution of congo-red, and drying. If a drop of juice is ... as acid phos- phates, do not act on congo-red.) c. Free hydrochloric acid. There are a number ...
  2. NLM Digital Collections - Chemistry for dental students (Volume 2) 
    Publication: London : John Wiley & Sons, Inc., 1923
    resource.nlm.nih.gov/50910170RX2
    ... 2 drops of a saturated alcoholic solution. (e) Congo-red. — Use filter-paper which has been dipped into ... with 30-50 per cent alcohol and filter. Congo Red. — Two per cent aqueous solution. Copper Sulphate. — One ...
  3. NLM Digital Collections - Index-catalogue of the Library of the Surgeon General's Office, United States Army (Series 4, ... 
    Publication: Washington : U.S. G.P.O., 1936-1948
    resource.nlm.nih.gov/8104688X10
    ... osmotic pressure and conductivity of aqueous solutions of Congo red and reversible membrane equilibria. J. Chem. Soc, Lond., ... Zinkovsky, J. D. [Treatment of gynecological hemorrhages with congo-red] Akush. gin., 1939, No. 7, 37-9. ---- Treatment, ...
  4. NLM Digital Collections - The principles of organic chemistry 
    Publication: New York : McGraw-Hill Book Company, Inc., 1922
    resource.nlm.nih.gov/04710900R
    ... of hydrocarbons, 39 of olefines, 58 Condensation, 200 Congo red, 557 Coniferin, 528 Coniferyl alcohol, 528 Coniine, 585 ...
  5. NLM Digital Collections - Merck's 1896 index : an encyclopedia for the physician and the pharmacist : stating the names ... 
    Publication: New York : Merck & Co., c1895
    resource.nlm.nih.gov/101636373
    ... Department, P. 0. Box 2649, New York. Paper, Congo, Red quire .75 Unsized, wh. paper, charged w. Congo red.— Uses : Test-paper for free acids, & for alkalies. ...
  6. NLM Digital Collections - Technician's manual 
    Publication: Fort Sam Houston, Tex. : Service School, Medical Department, Brooke General Hospital, 1943
    resource.nlm.nih.gov/100939857
    ... hydrate, (2) Avertin Equipment; (a) Avertain fluid. (b) Congo-red for testing solution. (c) 10 cc. syringe with ...
  7. NLM Digital Collections - Methods of precision in the investigation of disorders of digestion : read before the ... 
    Publication: Battle Creek, Mich. : Modern Medicine Publishing Co., 1893
    resource.nlm.nih.gov/101191521
    ... or absence of free HC1 by means of Congo-red and methyl-violet, or other color reagents, and ... T), .14° > (C), .224. DISORDERS OF DIGESTION. 27 Congo-red and methyl-violet gave strong reactions. Uffel- mann’s ...
  8. NLM Digital Collections - Clinical laboratory diagnosis : designed for the use of students and practitioners of medicine 
    Publication: New York ; London : D. Appleton and Company, 1923
    resource.nlm.nih.gov/12031940R
    ... is saturated with a concentrated aqueous solution of Congo-red, and allowed to dry. It is then cut ... Indicators.—In place of dimethylamidoazobenzol Giinzberg’s reagent and Congo-red are frequently employed as indicators in the titration ...
  9. NLM Digital Collections - The microtomist's vade-mecum : a handbook of the methods of microscopic anatomy 
    Publication: Philadelphia : P. Blakiston, Son & Co., 1896
    resource.nlm.nih.gov/101620840
    ... employing safranin followed by anilin blue. For Nissl’s Congo-red method, see Munchener med. Wochensclir., 1886, p. 528, ... 1, 1894, p. 22) uses aqueous solutions of Congo red and anilin blue for the coloration of collar- ...
  10. NLM Digital Collections - Diagnostic methods : chemical, bacteriological and microscopical ; a text-book for students ... 
    Publication: Philadelphia : P. Blakiston's Son & Co., [1923]
    resource.nlm.nih.gov/12110740R
    ... free acid it is customary to employ the Congo-red paper. This con- sists simply of filter-paper ... has been saturated with an alcoholic solution of Congo-red and dried. On treating gastric juice with such ...
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