phosphotungstic

phospho- +‎ tungstic

• (Received Pronunciation) IPA^(key): /ˌfɒsfəʊˈtʌŋstɪk/
• (General American) IPA^(key): /ˌfɑsfoʊˈtʌŋstɪk/

phosphotungstic (not comparable)

1. (chemistry) Of or pertaining to phosphotungstic acid or its derivatives.
   • 1904, G. H. A. Clowes, E. W. Jeffcott, “On the Secretion of the Stomach in Cancer as Compared with the Normal”, in Twenty-Fourth Annual Report of the State Department of Health of New York, Albany: Oliver A. Quayle, pages 401–2:

     An attempt has been made to select the most accurate analytical methods and by their application to a series of normal and pathological cases to throw light on […] the value of the phosphotungstic and tryptophan tests for diagnosis of cancer.

   • 1910, Albert Mattice, “The Quantitative Estimation of Albumin in the Urine”, in Archives of Internal Medicine, volume V, page 318:

     Serum albumin was dissolved in distilled water containing quantities of albumin varying from 0.5 to 7 gm. per liter. Duplicate sets of tubes were then treated with the Esbach and phosphotungstic reagents, and after twenty-four hours the results were compared with gravimetric findings.

   • 1913, Elmer Ernest Southard, Oscar J. Raeder, Anne E. Taft, “Clinical, Anatomical, and Brief Histological Description of Ten Cases of Feeble-Mindedness”, in Memoirs of the American Academy of Arts and Sciences, volume XIV, number IV, Cambridge: Cosmos P, page 175:

     The cortex from various regions, stained with Haematoxylin and eosin, phosphotungstic haematoxylin, and Cresyl-violet.