The 189th ISIJ Spring Meeting
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Session Details

Discussion SessionsProcess Evaluation and Material Characterization

Fusion of state-of-the-art technologies and solution chemistry to develop novel steel analyses

Sun. Mar 9, 2025 2:00 PM - 4:15 PM JST
Sun. Mar 9, 2025 5:00 AM - 7:15 AM UTC
Room13（Bldg.1 2F 209）
上原伸夫 [宇大]、稲川有徳 [宇大]
2:05 PM - 2:25 PM JST(5:05 AM - 5:25 AM UTC)

[D44]Chemical verification of a spectrophotometric method for determination of tungsten in steel samples

○Hitoshi Mizuguchi1, Ryo Yamazaki1, Nobuo Uehara2 (1.Tokushima Univ., 2.Utsunomiya Univ.)
2:25 PM - 2:45 PM JST(5:25 AM - 5:45 AM UTC)

[D45]Development of a simple colorimeter using a white-color LED and a color sensor and its application to steel analysis by titration

○Yasutada Suzuki1, Mio Yoneyama1, Arinori Inagawa2, Nobuo Uehara2 (1.Kanazawa Inst. of Tech., 2.Utsunomiya Univ.)
2:45 PM - 3:05 PM JST(5:45 AM - 6:05 AM UTC)

[D46]Application of image processing to evaluation of steel materials

○Arinori Inagawa, Nobuo Uehara (Utsunomiya Univ.)
3:15 PM - 3:35 PM JST(6:15 AM - 6:35 AM UTC)

[D47]Factors affecting precipitation formation and rinsing process in the gravimetric method after separation of iron

○Miki Soma, Nobuo Uehara, Arinori Inagawa (Utsunomiya Univ.)
3:35 PM - 3:55 PM JST(6:35 AM - 6:55 AM UTC)

[D48]Factors affecting precipitation reactions providing bases of gravimetry for wet-analysis of steel

○Nobuo Uehara, Shunto Kato, Miki Soma, Arinori Inagawa (Utsunomiya Univ.)
3:55 PM - 4:15 PM JST(6:55 AM - 7:15 AM UTC)

[D49]How we explain sophisticated skills acquired by trained analytical engineers of iron and steels through chemistry

○Nobuo Uehara (Utsunomiya Univ.)
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