Sulfur Standards
ASI provides certified calibration sets and QC check standards for the analysis of Sulfur in petroleum matrices by XRF and Combustion Analyzers tailored for ASTM Methods D2622, D4294, D7039, D5453, and D7220.
Quick Shipping
Most sulfur sets ship in 1-2 days. Custom standards with 10-day lead times.
Quality Assurance
Our lab has ISO 17034 and ISO 9001 certifications. Every bottle is tested in ASI's state of the art in-house laboratory. All orders come with traceable Certificate of Analysis and GHS compliant SDS.
Guaranteed Products
Quality guaranteed or
we replace
it at no cost.