Water quality; determination of total arsenic; silver diethyldithiocarbamate spectrophotometric method (ISO 6595:1982); german version EN 26595:1992— 12 стр.
Water quality; determination of total arsenic; silver diethyldithiocarbamate spectrophotometric method (ISO 6595:1982); german version EN 26595:1992— 12 стр.
German standard methods for the examination of water, waste water and sludge; anions (group D); determination of arsenic by atomic absorption spectrometry (D 18)— 10 стр.