@article{oai:kitami-it.repo.nii.ac.jp:00008528, author = {HOSHI, Suwaru and KONUMA, Kiyotaka and SUGAWARA, Kazuharu and UTO, Masayuki and AKATSUKA, Kunihiko}, issue = {5}, journal = {Analytical Sciences}, month = {2017-05-31}, pages = {863--866}, title = {Simple and Rapid Spectrophotometric Determination of Trace Titanium(IV) with Preconcentration as Its Anionic Tiron Chelate on Chitin.}, volume = {13}, year = {} }