Ultrasonic Extraction–Ozonation Sequential Sample Treatment for the Determination of Arsenic in Environmental Certified Reference Materials by Hydride Generation–Atomic Fluorescence Spectrometry

Comparison of extraction procedures for

Comparison of extraction procedures for arsenic speciation in environmental solid reference materials by high-performance liquid chromatography–hydride generation-atomic fluorescence spectroscopy

✍ M. Montperrus; Y. Bohari; M. Bueno; A. Astruc; M. Astruc 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 134 KB 👁 2 views

## Abstract Water and ‘soft’ extractions (hydroxylammonium hydrochloride, ammonium oxalate and orthophosphoric acid) have been studied and applied to the determination of arsenic species (arsenite, arsenate, monomethylarsonic acid (MMA) and dimethylarsinic acid (DMA)) in three environmental solid r