Analytical Instrumentation 25
PETRO-QUANT - Quick and Easy, Accurate and Precise Quantitative Elemental Analysis of Hydrocarbons
X-ray fluorescence analysis (XRF) is used in the hydrocarbon processing industry and related branches for trace element determination in all kinds of petrochemical materials. Often a single instrument has to provide full analytical flexibility and performance for all applications in quality and process control, research and development, fulfilling future demands and decreasing limit values for regulated elements. Bruker AXS offers the WDXRF spectrometer S8 TIGER with its innovative, optimised X-ray optics and user interface matching all needs in petrochemical labs.
While the S8 TIGER’s low temperature, high-intensity X-ray tube with protective coating excites the sample even more efficiently, the combination of the tube with the shortest beam path leads to the highest possible element sensitivities. The versatile beam path and wide selection of different crystals and collimators provide advanced analytical flexibility even for the most demanding applications.
Thanks to SampleCare users in the petro chemistry can rely on the S8 TIGER 100%. SampleCare constantly protects all important system components from contamination, which might lead to incorrect results or in the worst case to system stoppage. The S8 TIGER with SampleCare prevents this safely in 4 ways: The DuraBeryllium tube shield protect the head of the X-ray tube; the mask changer and the unique vacuum seal protect the goniometer chamber. If, by chance anything should go wrong during preparation, and the sample breaks or leaks out, it is not a problem. System components are well protected, easy to access and can be cleaned with little effort.
PETRO-QUANT – Te XRF Solution for Petrochemical Industry
Through the whole lifetime of petrochemical products (oil, polymers, chemicals, ...) from the production to disposal, thermal treatment or use as secondary fuel, X-ray fluorescence analysis (XRF) is the most suited analytical method to support all those different applications. Bruker AXS has developed the specific XRF solution to support all petrochemical applications based on XRF: PETRO-QUANT. It provides quick and easy quantitative elemental analysis for process and quality control laboratories with the world class wavelength dispersive X-ray fluorescence spectrometer S8 TIGER. PETRO-QUANT produces accurate and
precise analytical results straight out of the box as the wavelength dispersive X-ray fluorescence spectrometer (WDXRF) is calibrated for a wide range of applications. It frees therefore the operator from time consuming calibration work, saving weeks of commissioning, to ensure the pay back begins from the very beginning.
For general analysis of hydrocarbon matrices, such as fuels and lubricants, the universal PETRO-QUANT calibration is used. It enables standardless analysis for all required elements (more than 30) from Sodium (Na) to Lead (Pb) covering concentrations from trace elements ppm to major levels (%) (e.g. for S and Cl).
For compliance with international norms such as ASTM, DIN, IP or EN ISO, samples must be analysed against norm specific calibrations. PETRO- QUANT even supports these standards with detailed instructions and specific suites of calibration solutions.
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Petrochemical Applications – Made Easy
S2 RANGER – Benchtop EDXRF with TouchControl interface
Understanding the actual requirements in the petrochemical industry Bruker has developed the S2 RANGER. The energy dispersive XRF spectrometer (EDXRF) applies latest Silicon drift detector technology, the XFlash detector, and combines it with the 50W direct excitation source. The S2 RANGER offers doubtless element identification due to the high spectral resolution and best analytical precision due to the capability analysing at high countrates. Just regular electrical power connection and little Helium is required for the analysis. All components, e.g. vacuum pump, spectrometer, printer and computer are combined in one housing: Simple to connect, simple to relocate. The unique interface TouchControl enables users to operate the instrument after only a few minutes of training since the workflow of the software is easy and intuitive.
Sulphur in Fuels
The analysis of higher sulphur concentrations in different fuel types and mineral oil by EDXRF is regulated in ISO 8754: Applying a calibration range up to 5000 ppm, respectively, 5% for the highest range. The final application must pass a repeatability test running one sample more than 20 times. The maximum deviation of the results must not exceed 0.01% for a sample with 0.1% sulphur. The S2 RANGER is ready for the daily routine in tank farms, along the pipeline and on shipping sites.
More Elements in Petrochemical Materials
During the product development of lubricants, in all production steps – blending and bottling, especially if done by contract blenders – XRF ensures that the same product quality is established worldwide. The S2 RANGER not only achieves a high precision for low concentration values of a single element, it is also setup to analyse several elements simultaneously. The XFlash detector records the sample spectra with a high resolution, neighbouring element lines are clearly separated.
Start up Made Easy
Calibration standards, quality samples and drift correction monitors – the setup of norm compliant calibrations are time and money consuming. Not everybody is an XRF expert and has the experience to achieve the maximum performance from analytical instruments. Therefore Bruker AXS offers the S2 RANGER PETRO- QUANT. This package consists of a sample preparation kit with liquid cups, foils and balance as well as a set of predefined applications. Several ready-to-analyse solutions can be installed on the S2 RANGER directly in the factory:
• ISO 8754 in gasoline, diesel, mineral oil • ISO 20847 in gasoline, diesel, mineral • Additives in lube oils (Mg, P, S, Cl, Ca, Cu, Zn, Ba) • Contaminants in fuel oil (S, V, Fe, Ni)
The requirements of process and quality control in the petrochemical industry are perfectly met by the S2 RANGER. Delivered as a ready-to-analyse solution offering high analytical performance with easy operation, rocksolid technology, less installation and maintenance effort, the S2 RANGER is the perfect choice.
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Annual Buyers’ Guide 2013 •
www.petro-online.com
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