• wherein
  • Washing agent compositions and washing assistant compositions containing from 0.5% to 70% by weight of a phosphonopolycarboxylate having the formula ##EQU1## WHEREIN Me is H, alkali metal, or H.NR3, R1 is H or CH3, R2 is H, alkyl having 1 to 4 carbon atoms or --CH2 --CHR--COOMe, R3 is H, alkyl or alkylol. (google.es)
  • rare earth el
  • According to the reports and presentation, "Capacscaya contains both light- and heavy rare earth elements and metals, as well as copper, zinc, cobalt, aluminum, iron and other base metals. (thefreedictionary.com)
  • 22, 2015 /PRNewswire/ -- RioSol SAC LLC and Compania Minera Rio Sol SAC ("RioSol" or "The Company") last month announced a significant rare earth element and poly-metallic claim discovery in Peru, with reports indicating the 10-kilometer Capacscaya and adjacent claims as having the highest rare earth ranges in Peru containing both light rare earth elements (LREEs) and heavy rare earth elements and metals (HREEs). (thefreedictionary.com)