A method for measuring the mass concentration of vanadium and nickel in oil by XRF analysis with total external reflection. We propose a method for constructing the calibration curves.
методика (метод) измерений, массовая концентрация, ванадий, никель, нефть, рентгенофлуоресцентный анализ, method (method) measurements, mass concentration, vanadium, nickel, oil, X-ray fluorescence analysis
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