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    Spectrophotometric Determination of Cr(III) and Pb(II) Using Their Complexes with 5,11,17,23-Tetra[(2-ethyl acetoethoxyphenyl)(azo)phenyl]calix[4]arene by Le Van Tan, Tran Quang Hieu, Nguyen Van Cuong

    Published 2015-01-01
    “…The proposed method was successfully utilized to invest lead and chromium contents in plating wastewater samples. …”
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