“A STUDYING SYNTHESIS OF A CHELATE-FORMING SORBENT BASED ON UREA-FORMALDEHYDE AND DIPHENYLCARBAZONE : STUDYING SYNTHESIS OF A CHELATE-FORMING SORBENT BASED ON UREA-FORMALDEHYDE AND DIPHENYLCARBAZONE ” (2024) Indian Journal of Chemistry (IJC), 63(6), pp. 579–585. doi:10.56042/ijc.v63i6.9006.