Method I The method is based on stopping beryllium and his compounds on membrane filter, mineralization the sample with concentrated sulfuric and nitrogen acides and preparation solution to analysis wth diluted nitrogen acid. Beryllim and his compounds (as Be) in the solution is determinated by flame atomic absorption spectrophotometry. The detectin limit of the method is 0,00025 mg/m3. Method II The method is based on stopping beryllium and his compounds on membrane filter, mineralization the sample with concentrated sulfuric and nitrogen acides and preparation solution to analysis with diluted nitrogen acid. Beryllim and his compounds (as Be) in the solution is determinated by graphite furnace atomic absorption spectrophotometry. The detectin limit of the method is 0,00025 mg/m3.
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