ASI Standards is the worldwide trusted source for premium calibration standards proudly serving the petroleum, lube oil, crude oil and polymers industry since 1993.
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Calibration Standards Catalog

Our Calibration Standards Catalog is a comprehensive guide on all our special reference standards and related products. View & Download our Catalog!
EPA Tier 3 Sulfur

Sulfur in Gasoline Standards

The U.S. Environmental Protection Agency (EPA) has enacted an important rule designed to reduce air pollution from passenger cars and trucks. Are you ready for EPA Tier 3?
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Custom Standards

ASI Standards specializes in custom formulation of multi-element standards in difficult matrices. Request information on custom projects.

Recently Manufactured Custom Standards

  • Chlorine and Titanium in Hexane Check Standard @ 1.0 Wt%
  • Bromine, Chlorine, Fluorine, and Sulfur in Lubricating Oil Check Standards @ 1, 30, and 300 mg/kg
  • Lead in Glass Check Standards @ 0, 50, 100 mg/kg for recycled glass applications
  • As, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, S, Sb, Tl, V, and Zn in Lubricating Oil, 10 Calibration Standards with Randomized Concentrations
  • Silicon in Lubricating Oil Calibration Standards @ 5, 30, 60, 120, 200, 300, and 400 mg/kg
Submit Custom Standards formulation request.