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.
German standard methods for the examination of water, waste water and sludge; general information (group A); calibration of analytical methods, evaluation of analytical results and linear calibration functions used to determine the performance characteristics of analytical methods (A 51)— 16 стр.
Water quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique) (ISO 11969:1996); German version EN ISO 11969:1996— 14 стр.
Water quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique) (ISO 11969:1996); German version EN ISO 11969:1996— 14 стр.