This International Standard specifies a method for the determination of the mass concentration of particulate cadmium and cadmium compounds in workplace air, using either flame or electrothermal atomic absorption spectrometry.
The sample digestion procedure specified in 8.2.2 has been validated (see reference [2] in annexB) for a selection of cadmium compounds and pigments and glass enamels containing cadmium.
The analytical method has been validated (see reference [2] in annexB) for the determination of masses of 10ng to 600ng of cadmium per sample using electrothermal atomic absorption spectrometry, and 0,15μg to 96μg of cadmium per sample using flame atomic absorption spectrometry. The concentration range for cadmium in air for which this procedure is applicable is determined in part by the sampling procedure selected by the user.
The method is applicable to personal sampling of the inhalable or respirable fraction of airborne particles, as defined in ISO7708, and to fixed–location sampling.