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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. Hereditary Diffuse Gastric Cancer - GeneReviews® - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK1139
    ... after macroscopically normal gastric endoscopies. A pH-sensitive Congo red dye followed by pentagastric stimulation revealed signet ring ... G cells. The authors suggest that chromoendoscopy using Congo red dye and pentagastric stimulation may highlight this area ...
  3. pdf2016MeshTree.pdf 
    https://www.nlm.nih.gov/mesh/2016/download/2016MeshTree.pdf
    ... D02.455.426.559.847.638.555.300...........................................Congo Red D02.455.426.559.847.638.555.400........................................... ...
  4. pdf2018MeShTreeHierarchy.pdf 
    https://www.nlm.nih.gov/mesh/2018/download/2018MeShTreeHierarchy.pdf
    ... D02.455.426.559.847.638.555.300...........................................Congo Red D02.455.426.559.847.638.555.400........................................... ...
  5. pdf2017MeshTreesWithChangesShown.pdf 
    https://www.nlm.nih.gov/.../2017MeshTreesWithChangesShown.pdf
    ... Naproxen Naphthalenesulfonates Amaranth Dye Amido Black Anilino Naphthalenesulfonates Congo Red Evans Blue Suramin Trypan Blue Naphthols Naphthoquinones Vitamin ...
  6. 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 ...
  7. 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, ...
  8. 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 ...
  9. 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. ...
  10. 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 ...
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