Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Aydan Tursunjan and Kitagawa Ayumi and Takeuchi Masaki and Tanaka Hideji,Application of Feedback-Based Flow Ratiometry to Simultaneous Determination of Calcium and Magnesium Ions by Chelatometry Using Photometric and Potentiometric Detectors,Journal of Flow Injection Analysis,0911775X,Japanese Association for Flow Injection Analysis,2008,25,1,65,https://cir.nii.ac.jp/crid/1390564238029845760,https://doi.org/10.24688/jfia.25.1_65