Conference on pH Measurements - USSR . Open PDF Document Details Document Type Technical Report Publication Date Jun 30, 1960 Accession Number ADA364957 Entities People M. A. Portnov Tags Communities of Interest Materials and Manufacturing Processes DTIC Thesaurus Topics Accuracy Alcohols Aqueous Solutions Automatic Electrodes Formic Acid Ion Exchange Ion Exchange Resins Measurement New York Ph Meters Scientific Research Solvents Standardization Standards United States Universities