Pham Thi Kim Giang, and Dang Xuan Thu. “Spectrophotometric Atomic Absorption Assessment of Trace Amounts of Arsenic and Some Heavy Metals in Their Treatment Technology by Iron Powder”. Current Advances in Chemistry and Biochemistry Vol. 6, May 2021, pp. 36-43, doi:10.9734/bpi/cacb/v6/8293D.