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pro vyhledávání: '"Richmond, J."'
Autor:
Richmond J. Ampiah-Bonney, Ratana Sananmuang, Wipharat Chuachuad Chaiyasith, Arnon Thongsaw, Yuthapong Udnan
Publikováno v:
Analytical Sciences. 35:1195-1202
A new preconcentration method using solid phase extraction (SPE) was developed by immobilizing dithizone (DZ) and 1,4-diphenylsemicarbazide (DPC) on oxidative activated carbon and then using this for the speciation and preconcentration of mercury spe
Autor:
Ratana Sananmuang, Yuthapong Udnan, Richmond J. Ampiah-Bonney, Wipharat Chuachuad Chaiyasith, Pilaipan Chaikhan
Publikováno v:
Microchemical Journal. 159:105355
The objective of this work was to develop a simple microfluidic paper-based analytical device (µPAD) for the determination of paraquat. The µPAD was simply and rapidly made by dipping chromatography paper in melted paraffin. It was observed that th