Etanoli si përzierës i benzinës-Përcaktimi i përmbajtjes së bakrit-Metoda spektometrike me përthithje (absorbim) atomik me furrë grafiti

Ethanol as a blending component for petrol - Determination of copper content - Graphite furnace atomic absorption spectrometric method

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This standard specifies a procedure for the determination of copper content in ethanol from 0,07 mg/kg to 0,20 mg/kg using graphite furnace atomic absorption spectrometry. NOTE For the purpose of this document, the terms “% (m/m)” and "% (V/V)" are used to represent the mass fraction, respectively the volume fraction of a material. WARNING — Use of this standard may involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.