Testing of lubricants and fuels; determination of copper content of lubricating oils and liquid fuels; direct determination by atomic absorption spectrometry— 4 стр.
Testing of liquid fuels; determination of the vanadium and nickel content with a mass fraction <größer> 1 mg/kg; determination by atomic absorption spectrometry (AAS) after incineration— 3 стр.
Testing of petroleum products; determination of silicon content; indirect determination by atomic absorption spectrometry (AAS) after incineration and alkaline decomposition— 4 стр.
