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A Computer-Controlled Variable-Volume Injector for Flow Injection Analysis

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Abstract

A computer-controlled time-based variable-volume injector has been developed for the introduction of samples into a flow injection analysis system. Samples with a volume in the range of 8 μl to a few milliliters can be delivered reproducibly (usually RSD< 1.0%). Usefulness of the device is demonstrated by these applications: (1) the visualization of the relationship between the detector responses and the sample volumes injected which are fixed by specifying the injection time with a computer at an appropriate carrier flow-rate, and (2) the construction of a family of calibration plots.

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Author notes

  1. Hai-Long Wu

    Present address: Department of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China

Authors and Affiliations

  1. Laboratory for Analytical Chemistry, Faculty of Engineering, Chiba University, Chiba, 263, Japan

    Hai-Long Wu, Masami Shibukawa & Koichi Oguma

  2. Analytical Division, Central Research Institute, Mitsubishi Materials Corp., Kitabukuro-cho, Omiya, 330, Japan

    Yutaka Hayashibe & Yasumasa Sayama

Authors
  1. Hai-Long Wu
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  2. Yutaka Hayashibe
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  3. Yasumasa Sayama
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  4. Masami Shibukawa
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  5. Koichi Oguma
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Wu, HL., Hayashibe, Y., Sayama, Y. et al. A Computer-Controlled Variable-Volume Injector for Flow Injection Analysis. ANAL. SCI. 11, 401–404 (1995). https://doi.org/10.2116/analsci.11.401

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  • DOI: https://doi.org/10.2116/analsci.11.401

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