Preconcentration of codeine in pharmaceutical and human urine samples by multi-walled carbon nanotubes and its spectrophotometric determination
Lotfi, Ali ; Karimi, Sepideh ; Hassanzadeh, Javad
Canadian journal of chemistry, 2016-10, Vol.94 (10), p.857-864 [Periódico revisado por pares]Ottawa: NRC Research Press
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