Sulfur Benchtops

Technology: XRF analyzers by XOS


XOS offers a variety of sulfur analyzers suitable for a wide range of analysis and throughput requirements and operating environments. Imagine a smarter analysis solution free of compromise: hassle-free sample prep, easy operation, rapid testing, compliance flexibility, and industry-leading precision. These analyzers range from monochromatic wavelength dispersive XRF (MWDXRF) to high definition XRF (HDXRF) systems, delivering direct measurement without the need for consumable gasses or sample conversion.


Sindie® 2622, Sindie® 7039 e Sindie®+Cl

Sindie analyzers are the ideal solution for trace sulfur analysis from ultra-low sulfur diesel and gasoline, to heavy fuel oil and crude. Sindie comes in many flavors, like combined analysis of sulfur and chlorine, and options like an 8-cell autosampler. All Sindie benchtops are compliant with ASTM D7039, and most with ASTM D2622 methods.

Sindie® 2622 complies with ASTM D2622, D7039 and ISO 20884 methods, enabling complete flexibility in sulfur analysis. No compromises in detection, performance and reliability — it is the ideal sulfur analytic solution from ultra-low sulfur diesel and gasoline, to heavy fuel oil and crude.

Sindie® 7039 complies with ASTM D7039 and ISO 20884 methods, and enables fast batch testing from 0.15 – 3000 ppm (wt.) for sulfur fuel samples at petroleum pipeline terminals, refineries, and test laboratories. This unit is compact and fits on any lab bench with an easy-to-use and robust design requiring minimal maintenance. Sindie 7039 offers many advantages over competing technologies: It has exceptional signal-to-noise ratio, and does not require consumable gases or high-temperature operations.

Sindie+Cl TWO critical measurements, ONE push of a button, ZERO hassle

Sindie +Cl is a sulfur and chlorine analyzer delivering two critical measurements with one push of a button and zero hassle. It is the ideal solution for refineries and independent labs to certify sulfur levels in finished products and assess chlorine for corrosion mitigation, all with one instrument. Sindie +Cl utilizes a technique known as Monochromatic Wavelength Dispersive X-Ray Fluorescence (MWDXRF) – delivering exceptional reproducibility. Samples are measured directly, which means it can analyze even the heaviest of hydrocarbons like crude oil or coker residuals without the hassles of boats, injectors, furnaces, or changing detectors.

Video Sindie: Trace Sulfur in Fuel Analysis

MWD XRF Monochromatic Wavelength Dispersive X-Ray Fluorescence (MWD XRF) utilizes state-of-theart focusing and monochromating optics to increase excitation intensity and dramatically improve signal-to-background over high power traditional WD XRF instruments.

This enables significantly improved detection limits and precision and a reduced sensitivity to matrix effects. A monochromatic and focused primary beam excites the sample and secondary characteristic fluorescence x-rays are emitted from the sample. A second monochromating optic selects the sulfur characteristic x-rays and directs these x-rays to the detector. MWD XRF is a direct measurement technique and does not require consumable gasses or sample conversion.

Application notes
Rapid and Accurate Analysis of Sulphur and Chlorine in Biofuels by XRF

With the continued development of biofuels and a push for higher concentrations in traditional fuels, petroleum professionals are looking to utilize technology that delivers rapid and accurate results for on-site biofuel measurement. Sindie +Cl is a viable solution, delivering total sulphur and chlorine in one measurement without the need for a matrix-matched calibration by simply applying a correction factor to the results. This allows professionals to certify their biofuel products more efficiently than with other methods. Sindie +Cl complies with ASTM D2622, and therefore meets the regulatory limit of ASTM D6751 and ASTM D7467. It also meets the precision requirements for ISO 20884 and can be used for EN 14214.

File size: 589 KB
A Comparison of Chlorine Levels in Aromatics Using MWDXRF and Microcoulometry

When measuring aromatics, precision and accuracy at low concentrations are critical. From the ASTM data shown, MWDXRF analyzers, particularly Clora, demonstrate excellent accuracy when measuring samples against microcoulometry. The ability to measure total chlorines with minimal sample preparation and high performance, with results ready within minutes, is invaluable to refiners looking to protect their bottom line – and for these specific needs, Clora delivers on all fronts.

File size: 1 MB
Certifying Sulfur in Automotive Fuels & Monitoring Chlorine for Corrosion Mitigation

Sindie +Cl is an ideal solution for multiple applications where precision, ease-of-use, and flexibility is needed. Get Sindie +Cl to certify low sulfur level fuels for regulatory purposes, and monitor chlorine in desalted crudes and other process streams to identify potential sources of corrosion.

File size: 312 KB


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