Stability studies of arsenate, monomethylarsonate, dimethylarsinate, arsenobetaine and arsenocholine in deionized water, urine and clean-up dry residue from urine samples and determation by liquid chromatography with microwave-assisted oxidation-hydride generation atomic absorption spectrometric detection

1. Palacios, M.A.
2. Gómez, M.
3. Cámara, C.
4. López, M.A.