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  The Development of pH Instrumentation

  • 1950-Apr

  Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…

  • Author Beckman, Arnold O.
  • Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Hydrogen-ion concentration, Beckman Instruments, inc.