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Subject Food industry and trade Remove constraint Subject: Food industry and trade

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    • 1948-Jul-12

    Two-page article from the July 12, 1948 edition of Chemical and Engineering News profiling Dr. Betty J. Sullivan (1902-1999).

    Betty J. Sullivan was born on May 31, 1902 in Minneapolis, Minnesota and educated at the…

    • 1970s

    General view of an unidentified employee operating a Perkin-Elmer Model 5000 Inductively Coupled Plasma atomic emission analyzer at the Kellogg Company Corporate Quality Sciences laboratory located in Battle Creek,…

    • 1970s

    Close-up view of a Perkin-Elmer Model 503 Atomic Absorption Spectrophotometer in use at the Kellogg Company Quality Assurance laboratory located in Battle Creek, Michigan. At the laboratory, atomic absorption…

    • circa 1975-Apr-21

    General view of an unidentified employee prepping a Perkin-Elmer Model 503 Atomic Absorption Spectrophotometer to analyze a food sample in the Kellogg Company Quality Assurance laboratory located in Battle Creek,…

    • 1970s

    General view of chemist Harvey Beatty operating a Perkin-Elmer Model 503 Atomic Absorption Spectrophotometer at the Kellogg Company Quality Assurance laboratory located in Battle Creek, Michigan. Per notations…

    • 1913 – before 1928

    General view of employees at work in the Bureau of Chemistry's Protein Investigation Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Protein…

    • 1901 – before 1928

    General view of two employees working in the Bureau of Chemistry's Oil, Fat, and Wax Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Oil, Fat, and…

    • 1901 – before 1928

    General view of the Bureau of Chemistry's Nitrogen Laboratory showing assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted investigations into…

    • 1901 – before 1928

    General view of an employee conducting an analysis of an unidentified substance in the Bureau of Chemistry's Nitrogen Laboratory. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted…

    • 1901 – before 1928

    General view of an employee conducting an analysis of an unidentified substance in the Bureau of Chemistry's Nitrogen Laboratory. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted…

    • 1901 – before 1928

    General view of two employees at work in a Bureau of Chemistry Drug Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, such laboratories commonly…

    • 1901 – before 1928

    General view of two employees at work in an Agricultural Research Service Drug Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, such laboratories commonly…

    • 1913 – before 1928

    General view of the Bureau of Chemistry's Carbohydrate Laboratory showing assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Carbohydrate Laboratory analyzed the physical and…

    • 1913 – before 1928

    Close-up view of a polarimeter housed in a constant temperature dark room at the Bureau of Chemistry's Carbohydrate Laboratory. Part of the U.S. Department of Agriculture, the Carbohydrate Laboratory analyzed the…

    • 1916 – before 1928

    General view of an employee in the Bureau of Chemistry's Phytochemical Laboratory using a distillation apparatus to concentrate the odorous constituents of apples and peaches. Part of the U.S. Department of Agriculture,…

    • after 1901 – 1928

    General view of an employee in the Bureau of Chemistry's Water and Beverage Laboratory conducting an analysis on an unidentified substance. Assorted sample jars and scientific apparatus are visible in the photograph.…

    • 1959

    This advertisement focuses on pH meters' use in the food processing and packaging industry.

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed…