| 439 |
Preface to the Special Issue “State-of-thearts in Chemical Analyses of Steel and Iron” (Preface)
Nobuo Uehara |
 |
| 441 |
Chemical Verification of a Solvent Extraction Spectrophotometric Procedure for Determination of Trace Tungsten in Steel
Ryota Yamasaki, Nobuo Uehara, Hitoshi Mizuguchi |
|
| 446 |
Chemical Verification of a Spectrophotometric Method for Determination of Silicon in Steel Samples
Ryota Yamasaki, Nobuo Uehara, Hitoshi Mizuguchi |
|
| 451 |
Glass Contamination and Coexisting Elements Affecting the Recoveries of Gravimetric Analysis for Silicon Content in Steel
Miki Soma, Arinori Inagawa, Nobuo Uehara |
|
| 460 |
Quantitative Recovery of Bis (1-nitoroso-2-naphtolato) Cobalt Complex as Precipitates for Gravimetric Analysis
Nobuo Uehara, Shunto Kato, Arinori Inagawa |
|
| 468 |
Quantitative Precipitation Recovery by Rinsing with Ethanol Containing Acetic Acid in Gravimetric Analysis for Sulfur in Steel
Miki Soma, Arinori Inagawa, Nobuo Uehara |
|
| 473 |
Development of a Simple Photometric Detector for Titration Using a White LED and an RGB Color Sensor and Its Application to Determination of Chromium in Steel Sample
Yasutada Suzuki, Kou Nakaya, Syunichi Oshima, Mune-aki Sakamoto, Arinori Inagawa, Nobuo Uehara |
|
| 479 |
Total Iron Determination of Taharoa Sand Iron by Microfluidic Titration Utilizing Cross-shaped Microchannel
Daina Numao, Nobuo Uehara, Arinori Inagawa |
|
| 487 |
Surface Analysis of the Iron Wire Undergoing the Corrosion on Contacting with Frozen Aqueous Salt Solutions
Minami Maeda, Nobuo Uehara, Arinori Inagawa |
|
| 495 |
Process Engineering Approach to the Origin of High-purity Iron (so-called Tamahagane)
Yoshiyuki Matsui |
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