Arsenicales/química; Arsenicales/síntesis química; Contaminantes del Suelo/química; Sulfatos/química; Anaerobiosis; Cromatografía Líquida de Alta Presión; Espectrometría de Masa por Ionización de Electrospray

As speciation; DMAA; DMDTA; DMPAO; DMTA; DPAA; DPDTA; DPMAO; DPTA; ESI; HPLC; LC/ICP-MS; LC/TOF-MS; MPDTA; PAA; PMAA; Phenylarsenical; Sulfate reduction; TIC; Thionation; Water and soil pollution; dimethylarsinic acid (Me(2)AsO(OH)); dimethyldithioarsinic acid (Me(2)AsS(SH)); dimethylphenylarsine oxide (Me(2)PhAsO); dimethylthioarsinic acid (Me(2)AsS(OH)); diphenylarsinic acid (Ph(2)AsO(OH)); diphenyldithioarsinic acid (Ph(2)AsS(SH)); diphenylmethylarsine oxide (Ph(2)MeAsO); diphenylthioarsinic acid (Ph(2)AsS(OH)); electro-spray ionization; high-performance liquid chromatograph; liquid chromatography/inductively coupled plasma-mass spectrometry; liquid chromatography/time of flight-mass spectrometry; methylphenyldithioarsinic acid; phenylarsonic acid (PhAsO(OH)(2)); phenylmethylarsinic acid (PhMeAsO(OH)); total ion chromatograph