Need rapid elemental analysis of sulphur, chlorine, metals, and more?
Dec 06 2022
Rigaku EDXRF benchtop and process elemental analysers serve upstream and midstream for in-field use and downstream for refineries and commercial labs. They serve many screening and monitoring needs and meet compliance for various testing methods and standards for a broad range of petroleum analysis applications.
Rigaku EDXRF (energy dispersive X-ray fluorescence) analysers can measure more than sulphur. Using a single instrument, they offer the flexibility and reliability users need to monitor sulphur, chlorine, metals, and other critical elements. EDXRF is a well-established technology for testing petroleum and petroleum products, and many organizations use Rigaku EDXRF instruments to solve their analytical needs. Applications range from research and development to industrial and in-plant quality assurance and many others. From the quantification of heavy elements in crude oil to sulphur in fuels to a variety of elements in lubricating oils, Rigaku EDXRF analysers allow users to quickly adapt to new petroleum applications and replace the need for multiple single-element benchtops.
EDXRF benchtop analysers offer ideal solution for lab or onsite analytical challenges at refineries as well as mid and upstream sites
Rigaku EDXRF benchtops include the compact NEX QC Series for routine quality control needs, the advanced NEX DE for more demanding applications, and the powerful NEX CG II indirect excitation analyser for complex applications and research. All Rigaku EDXRF systems are multi-element analysers. This advantage allows users to measure sulphur, chlorine, metals, and more in crude, oils, fuels, lubricants, and used oil. Users have more analytical capabilities and can easily adjust to future applications when needed.
With an intuitive icon-driven touchscreen interface, small footprint, built-in printer, and optional portable carrying case, the NEX QC Series analysers offer superior performance capabilities with the added benefits of ease of use and convenience. The NEX QC and NEX QC+ are small, self-contained, and require no external PC. They are also lightweight and transportable, making them perfect for industrial or remote field environments. NEX QC is ideal for measuring sulphur in oils per ASTM D4294 and methods ISO 20847, ISO 8754, IP 496, IP 336, and JIS K 2541-4. The NEX QC+ model offers this and more and is ideal for applications where analysis times are more critical. Additionally, NEX QC+ offers compliance with ISO 13032 for the measurement of ultra-low sulphur in diesel fuel and gasoline.
When users need a high-performance system to certify products quickly and easily, the NEX DE analyser delivers rapid and reliable ultra-low measurements of sulphur and metals. For high-throughput measurement of ULSD (ultra-low sulphur diesel), NEX DE offers compliance using the ISO 13032 method and can provide quick ASTM D8252 compliance of nickel and vanadium in crude and residual oil. Using one instrument — users can analyse sulphur, vanadium, iron, and nickel in crude, residual oil, bunker fuels, and other heavy hydrocarbon oils.
NEX CG II is an all-in-one petroleum analyser, offering users superior analytical capabilities that rival larger, more expensive systems. It provides fast, precise measuring and monitoring of ultra-low and trace element concentrations up to percent levels. Unlike conventional EDXRF instruments, NEX CG II uses secondary targets in full 90° Cartesian Geometry, eliminating background noise and delivering exceptionally low detection limits. This unique 3D optical configuration gives unmatched performance and makes it an attractive analyser for any commercial lab or R&D facility.
NEX CG II offers exceptional versatility and meets several international norms and testing criteria for the measurement of sulphur, such as analysis of ULSD per ASTM D7220 and analysis of ultra-low sulphur in gasoline per U.S. EPA Tier 3 Standards. With multi-element analysis capabilities, users can reliably analyse manganese in motor and aviation gasoline at low and ultra-low levels per ASTM D5059 Part D or achieve the lowest chlorine detection limits in crude oil per ASTM D4929 Part C.
Dependable and precise on-line, real-time elemental analysis solutions for oil refineries, pipelines, blending operations and storage facilities
For real-time process control needs, Rigaku offers NEX XT, a total sulphur analyser for on-line sulphur analysis, and NEX OL, a multi-element analyser for liquid streams.
NEX XT delivers total sulphur measurement from 200 parts-per-million (ppm) to 6 wt% of crude, bunker fuel, fuel oils, and other highly viscous hydrocarbons, including residuums. This versatile, compact, and robust X-ray transmission/absorption (XRT/XRA) process gauge is specifically optimised for the total sulphur analysis needs of refineries, pipelines, blending operations, bunkering terminals, and other storage facilities. NEX XT continuously monitors sulphur at pressures up to 1450 psig and 200°C in custom configurations. It operates as a standalone analyser or provides real-time closed-loop control when tied into a blending or plant-wide automation system.
For liquid stream applications, NEX OL is configurable for use in classified and non-classified areas and can analyse from aluminium to uranium. It is ideal for monitoring cobalt, manganese, and bromine catalysts in PTA and catalyst in liquid streams.
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