Skip to main content

White papers: XOS

XOS is a leading manufacturer of application-specific X-ray analysers, offering elemental analysis solutions that improve public safety and customer efficiency in industries like petroleum, consumer products, and environmental compliance.

For petroleum applications, XOS offers portable, laboratory, and process analysers with excellent precision at the push of a button. XOS also offers High Definition XRF (HDXRF®) analysers for the detection of toxic elements in consumer products, such as toys and apparel and areas of environmental regulation, like soil and water. XOS’s advanced optics and OEM sub-systems can increase precision, speed, and spatial resolution, while decreasing the size, complexity, and cost of the instrument.


Precision comparison between ASTM test methods D7039, D2622, and D5453

Using ASTM PTP results from 2019 - 2021, this white paper discusses which of the common test methods – D7039, D2622, and D5453 – demonstrated the best performance and reproducibility.

Published on the 01 October 2021

Download now »


Simple, Fast, and Accurate Chlorine Analysis in VGO and VLSFO

MWDXRF, a version of X-ray Fluorescence, is becoming an increasingly more common alternative to microcoulometry for the measurement of chlorine in VGO and VLSFO. Learn more in this white paper from XOS.

Published on the 09 March 2021

Download now »


Rapid and Accurate Analysis of Sulfur and Chlorine in Biofuels by X-ray Fluorescence

XRF delivers rapid and accurate results for testing sulfur and chlorine in biofuels. Read this white paper to learn about a viable solution to measure both elements concurrently with one instrument.

Published on the 01 November 2020

Download now »


Get Fast Results for Sulfur and Chlorine in Biofuels in Compliance with ISO 20884

Download XOS' whitepaper to learn how Sindie +Cl can accurately measure sulfur and chlorine with one instrument.

Published on the 01 September 2020

Download now »


Fast and Precise Elemental Screening in Petroleum Coke and Coal

Download this whitepaper to learn how to measure sulfur and metals in petroleum coke and coal in 5 minutes or less.

Published on the 01 July 2020

Download now »


Detailed How to Measure Chlorides in Crude Oil by ASTM D4929C & Water Extraction

Download this whitepaper for a detailed “how to” measure chlorides in crude by ASTM D4929C and water extraction.

Published on the 01 June 2020

Download now »


A Reliable Solution to Measure Chlorine in Catalyst by UOP 979

Refiners can optimise their catalyst quality by measuring metals in crude and then assess the payoff by measuring chlorine trends in the catalysts. Learn about a reliable solution to determine total chlorides in catalysts by UOP 979.

Published on the 01 May 2020

Download now »


Optimise catalyst efficiency by monitoring chlorine with Petra MAX

Refiners optimise their catalyst quality by measuring metals in crude then assess the payoff of those optimisations in real-time.

Published on the 03 March 2020

Download now »

Showing 1 to 8 of 22 hydrocarbon white papers.