White papers
Download technical white papers from the downstream industry.
Get Fast D4294 Sulfur Results without Centrifuging
For XRF, a common matrix effect interference involves particulates settling to the bottom of the sample cup. Download this whitepaper to learn how you can ensure accurate 4294 sulfur results without centrifuging.
Published on the 05 March 2019
Chasing the Bias – Gasoline Matrix Matching to Improve ASTM D2622 Sulfur Measurement Accuracy
XOS' latest whitepaper explains how calibration matrix matching improves low-level ASTM D2622 sulfur measurement accuracy to ensure regulatory compliance for gasoline.
Published on the 07 February 2019
Precision Comparison Between HDXRF® and ICP for Ni, Fe, and V
While professionals in the petroleum industry must adhere to D5708B, those looking to save downtime may consider HDXRF as a cost-effective, in-house alternative. It delivers results in five minutes or less.
Published on the 15 January 2019
Simple Lubricant Additive Package Quality Control Using HDXRF
Additives can make up as much as 30% of lubricants and often contain elements such as phosphorus, calcium, and zinc. Learn how Petra MAX, XRF elemental analyzer, can help you ensure that blended lubricants meet required specifications.
Published on the 04 December 2018
Precision Comparison Between ASTM Test Methods D7039, D2622, and D5453
View XOS's whitepaper to find out which method offers the best performance for reproducibility when testing low sulfur in automotive fuels: ASTM D2622, D7039, and D5453. Data was collected from ASTM Proficiency Testing Programs (PTPs).
Published on the 09 November 2018