Testing of petroleum products - Determination of phosphorus content of lubricating oils and additives - Part 2: Analysis by wavelength dispersive X-ray spectrometry (XRS)— 6 стр.
X-ray spectrometry - X-ray emission- and X-ray fluorescense analysis (XRF) - Part 2: Definitions and basic principles for measurements, calibration and evaluation of results— 16 стр.
X-ray spectrometry - X-Ray Emission- and X-ray Fluorescence analysis (XRF) - Part 2: Definitions and basic principles for measurements, calibration and evaluation of results; additional information and examples of calculation— 17 стр.
Petroleum products - Determination and application of precision data in relation to methods of test (ISO 4259:1992 + Cor 1:1993); German version EN ISO 4259:1995— 40 стр.
