Testing of lubricants; determination of the barium, calcium and zinc content of lubricating oils; direct determination by atomic absorption spectrometry— 4 стр.
Testing of mineral oils; precision of test methods, general introduction, definitions and their application to mineral oil standards which contain requirements— 8 стр.
Testing of petroleum products; determination of silicon content; indirect determination by atomic absorption spectrometry (AAS) after incineration and alkaline decomposition— 4 стр.