Workplace air. Determination of particulate cadmium and cadmium compounds. Flame and electro-thermal atomic absorption spectrometric method
Workplace air. Determination of particulate cadmium and cadmium compounds. Flame and electro-thermal atomic absorption spectrometric method
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1 Scope 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 annex B) for a selection of cadmium compounds and pigments and glass enamels containing cadmium. The analytical method has been validated (see reference [2] in annex B) for the determination of masses of 10 ng to 600 ng of cadmium per sample using electrothermal atomic absorption spectrometry, and 0,15 μg to 96 μg 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 ISO 7708, and to fixed–location sampling.
Mentioned in the description and other BS standards
