The 187th ISIJ Spring Meeting
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Session Details

Discussion SessionsProcess Evaluation and Material Characterization

State-of-the-arts in chemical analyses of steel and iron

Thu. Mar 14, 2024 1:30 PM - 4:00 PM JST
Thu. Mar 14, 2024 4:30 AM - 7:00 AM UTC
Room13 (Lecture Hall Bldg. 4F 405)
上原伸夫 [宇都宮大]、鈴木保任 [金沢工大]
1:30 PM - 1:50 PM JST(4:30 AM - 4:50 AM UTC)

[D17]Chemical verification of a spectrophotometric method for determination of silicon in steel samples

○Mizuguchi Hitoshi1, Yamazaki Ryota1, Uehara Nobuo2 (1.Tokushima Univ., 2.Utsunomiya Univ.)
1:50 PM - 2:10 PM JST(4:50 AM - 5:10 AM UTC)

[D18]Development of a simple colorimeter using a white color LED and color sensor and its application to identify an endpoint and digitize color changes on titration

○Suzuki Yasutada, Nakada Ryusuke (Kanazawa Inst. of Tech.)
2:10 PM - 2:30 PM JST(5:10 AM - 5:30 AM UTC)

[D19]The effect of coexisting ions on the corrosion of steel materials contacting with frozen aqueous solutions elucidated by image analysis of microscopic images

○Inagawa Arinori, Maeda Minami, Uehara Nobuo (Utsunomiya Univ.)
2:40 PM - 3:00 PM JST(5:40 AM - 6:00 AM UTC)

[D20]Precipitation ofcobalt at 1-nitroso-2-naphtol gravimetry for wet-analysis of steel

○Uehara Nobuo, Kato Shunto, Inagawa Arinori (Utsunomiya Univ.)
3:00 PM - 3:20 PM JST(6:00 AM - 6:20 AM UTC)

[D21]Precipitation of barium sulfonate for gravimetric analysis of sulfur in steel

○Uehara Nobuo, Soma Kaiki, Inagawa Arinori (Utsunomiya Univ.)
3:20 PM - 3:40 PM JST(6:20 AM - 6:40 AM UTC)

[D22]Quantitative recovery of tungsten to improve the precision of gravimetric method for tungsten in steel

○Kanamaru Takuya, Uehara Nobuo, Inagawa Arinori (Utsunomiya Univ.)
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