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The application of flame and flameless atomic absorption spectrophotometry to the determination of heavy metals in waste water samples has been reviewed, with particular emphasis placed on the sample pretreatment methods used. The relative suitabilities of acid digestion and dry ashing pretreatments have been presented and the feasibility of direct injection of waste water samples after a rapid pretreatment has been discussed.
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Sterritt et al. (1980) studied this question.
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