Analytical Sciences

Simple Bead Injection-Flow Injection System for the Determination of Copper

Supaporn Kradtap HARTWELL,*^,** Apichart BOONMALAI,* Subhachai JAYASVATI,*** Somchai LAPANANTNOPPAKHUN,*^,** Jaroon JAKMUNEE,*^,** and Kate GRUDPAN*^,**

*Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand 50200
**Institute for Science and Technology Researcch and Development, Chiang Mai University, Chiang Mai, Thailand 50200
***Department of Radiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand 50200

We demonstrate the extended application of a simple bead injection-flow injection system with a modified simple colorimetric detection unit for the determination of low amount of Cu²⁺ in samples of different matrices (water and supplement tablet samples) with minimal sample pretreatment by employing ammonium pyrrolidinedithiocarbamate (APDC) reagent.

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