Arsénico/aislamiento & purificación; Microextracción en Fase Líquida/métodos; Plantas/química; Microextracción en Fase Sólida/métodos; Ácidos; Arsénico/metabolismo; Transporte Biológico; Cromatografía Líquida de Alta Presión; Conservación de los Recursos Naturales; Espectrometría de Masas; Plantas/metabolismo; Solventes; Manejo de Especímenes; Espectrofotometría Atómica; Agua

(γ-Glu-Cys)n-Gly (n=2­11); AAS; AFS; Analytical methods; Arsenic speciation; As; AsB; AsC; CRM; DMA; ESI-MS/MS; ESI­MS; ESI­TOF­MS; ETAAS; FAAS; GFAAS; HG; HPLC; HR; IC; ICP­MS; ICP­OES; LA; LC; LOD; MAE; MMA; MPE; PAA; PAO; PCn; PCs; PLE; RT; SEC; SON; Sample preparation; Species stability; TFA; TMA; TMAO; Terrestrial plant; UV; X-ray absorption near edge structure spectroscopy; X-ray fluorescence; XANES; XRF; arsenic; arsenobetaine; arsenocholine; atomic absorption spectrometry; atomic florescence spectrometry; certified reference material; dimethylarsinic acid; electrospray ionization mass spectrometry; electrospray ionization tandem mass spectrometry; electrospray time-of-flight mass spectrometry; electrothermal atomic absorption spectrometry; flame atomic absorption spectrometry; graphite furnace atomic absorption spectrometry; high resolution; high-performance liquid chromatography; hydride generation; inductively coupled plasma mass spectrometry; inductively coupled plasma optical emission spectrometry; ion chromatography; laser ablation; limit of detection; liquid chromatography; microwave-assisted extraction; modified protein extraction; monomethylarsonic acid; o-APAA; o-aminophenylarsonic acid; p-APAA; p-aminophenylarsonic acid; phenylarsine oxide; phenylarsonic acid; phytochelatins; pressurized liquid extraction; room temperature; size exclusion chromatography; sonication solvent extraction; tetramethylarsonium ion; trifluoroacetic acid; trimethylarsine oxide; ultraviolet