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Analysis of Sulfur, Vanadium and Nickel in Crude Oil

Rigaku Corporation
29 Jul 2013

Sulfur, vanadium and nickel occur naturally in crude oil, and their concentrations vary depending on the geographical region of the oil deposits. Vanadium and nickel can foul the refining process during crude oil cracking, and so crude oil with low levels of vanadium and nickel is desirable. In the oil fields and in off-shore drilling, a quick and easy means of screening for vanadium and nickel is a valuable tool to begin to characterize the quality of the crude before refining. In this application note read how the NEX QC+ from Rigaku, allows monitoring of the concentrations of vanadium, nickel and sulphur in crude.

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Rigaku NEX QC: Low Cost Elemental Analyzer

Rigaku Corporation

As a premium low cost benchtop Energy Dispersive X-ray Fluorescence (EDXRF) elemental analyzer, the Rigaku NEX QC delivers wide elemental coverage with an easy-to-learn software interface in a robust package designed for industrial at-line quality control applications. Specifically designed for routine quality control elemental analysis applications, the new Rigaku NEX QC features an intuitive "icon-driven" touch screen interface for easy operation and a built-in printer for convenience.The shuttered 50kV X-ray tube and Peltier cooled semiconductor detector deliver exceptional short-term repeatability and long-term reproducibility with excellent element peak resolution. This high voltage capability (50 kV), along with multiple automated X-ray tube filters, provides a wide range of XRF applications versatility and low limits-of-detection (LOD).NEX QC Features: Analyze 11Na to 92U non-destructively Solids, liquids, alloys, powders and thin films 50kV X-ray tube for wide elemental coverage Semiconductor detector for superior data quality Modern smartphone style "icon driven" user interface Multiple automated tube filters for enhanced sensitivity Convenient built in thermal printer Low cost with unmatched performance-to-price ratio Optional fundamental parameters

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X-Ray Diffraction and SpectroscopyX-Ray diffraction & spectroscopy are used in material characterization to discern the structure and elemental composition of a sample. X-Ray diffractometers (XRD) are superior instruments in elucidating the dimensional atomic structure of crystalline materials, including powders, thin films and single crystals. For large unit cells or ordered macromolecules, consider small-angle X-ray scattering (SAXS). X-ray spectroscopic techniques include X-ray fluorescence (XRF) and X-ray photoelectron spectroscopy (XPS), both providing simple and accurate methods for determining the elemental composition of a material. Energy dispersive (EDXRF) and wavelength dispersive (WDXRF) XRF spectrometers are available, as well as handheld/portable devices. High-resolution, 3D microstructure characterization of materials can be achieved with X-ray microscopes combining sub-micron resolution imaging with 3D computed tomography. Find the best XRD and XRF spectrometers in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Environmental Monitoring and TestingEnvironmental monitoring and testing uses handheld portable analyzers, kits, spectrometers or chromatography systems for air, water, soil, food and other sample testing. Useful features of analyzers such as BOD and COD include portability, easy calibration, automation and sensitivity.  Environmental test kits for pH, water, moisture, etc, should be accurate, sensitive, reliable, fast and easy to use.Particle CharacterizationParticle characterization instruments are used to determine particle size distribution, shape, surface area, zeta potential, density and porosity of particles and materials. Multiple tecchniques are available for determining particle size, shape and count including dynamic light scattering (DLS), laser diffraction, electrozone (Coulter technique), imaging particle analysis and single particle optical sensing. Determine the density of your material with a gas pycnometer or examine its surface area and porosity with gas adsorption analyzers and mercury porosimeters. Find the best particle characterization instruments in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Crude OilThe chemical evaluation of the complex combination of hydrocarbons and organometallic compounds found within crude oil. The results provide data on the chemical characteristics of a sample for petroleum testing laboratories.SulfurNickelElemental AnalysisElemental analysis involves determining the elemental composition of a sample, often used in environmental, pharmaceutical, and material sciences. Techniques like ICP-MS, X-ray fluorescence, and atomic absorption spectroscopy allow precise quantification of elements such as metals and nonmetals in complex matrices. Browse our peer-reviewed product directory to find the best elemental analysis tools, compare products, check reviews, and get pricing directly from manufacturers.

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