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Subject Spectrophotometer--Design and construction Remove constraint Subject: Spectrophotometer--Design and construction

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    • 1949-May

    This paper describes the use of an older style of glass prism in a new spectrophotometer made by Beckman Instruments. This new spectrophotometer would become the Model B, the glass prism making it a cheaper alternative…

    • Undated

    The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…

    • 1950s

    Although the first DU prototype used glass, all later models contained quartz prisms which functioned as chromators. They transmitted and separated the light generated by a hydrogen lamp into its absorption spectrum,…

    • 1950s

    Although the first DU prototype used glass, all later models contained quartz prisms which functioned as chromators. They transmitted and separated the light generated by a hydrogen lamp into its absorption spectrum,…