ZHANG Pengyu, MAO Zhiyi, SUN Qian, WANG Dongmei, LIU Fengdong, WANG Wanshen. Rapid Determination of Chloride Ion in Sand for Ordinary Concrete by Ultrasonic Extraction-Automatic Potentiometric TitrationJ. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART B:CHEMICAL ANALYSIS, 2026, 62(1): 101-104. DOI: 10.11973/lhjy-hx240123