The purpose of this study is to evaluate the factor of determining chloride content in fresh concrete. Usually, in construction field, ion electrode method is used as a test for chloride content. As a result of this study, Ion electrode has a problem of interfering ion effect and requires special care in handling.

• 손영준(쌍용양회공업(주) 기술연구소 콘크리트연구실 선임연구원) | Son, Young Jun 교신저자
• 정연식(쌍용양회공업(주) 기술연구소 콘크리트연구실 실장, 공학박사) | Chung, Youn Shik