Adrien Mestrot IJA-CSIC-UB

ApproachSolid phase chemotrapping onsilver nitrate impregnatedsilica gel, previously used totrap As in natural gas.Quantification and qualification of all 4 arsines– Arsine: AsH 3 ,– Monomethylarsine: CH 3 AsH 2 ,– Dimethylarsine: (CH 3 ) 2 AsH,– Trimethylarsine (TMA): (CH 3 ) 3 As.-using offline hydride generation (HG) on solutions of As(III),monomethylarsenic acid (MMAA), dimethylarsenic acid(DMAA) and spiking of TMA ((CH 3 ) 3 As) solution (in pentane)into Tedlar Bags.Trap the content of the bags and assess recovery