CHU Linlin, WANG Xiaojie, WU Yue, ZHANG Dehuai, JIN Xiaoxia. Determination of Hexavalent Chromium in Soil by Flame Atomic Absorption Spectrometry with Alkaline Solution Extraction and Ion ExchangeJ. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART B:CHEMICAL ANALYSIS, 2023, 59(8): 966-969,973. DOI: 10.11973/lhjy-hx202308017