ASI Standards, formerly Analytical Services, Inc. is a worldwide trusted source for calibration standards serving the petroleum, lube oil, crude oil and polymers industry since 1993. All standards are produced and certified in-house and are accompanied with a Certificate of Analysis indicating traceability to ASTM and NIST methods, validity term and degree of uncertainty.

From simple, single element standards to complex multi-element sets, ASI Standards is your trusted source for calibration materials. ASI specializes in the custom formulation of calibration standards. We can modify any set or create a custom set based on customer specifications. All standards verified on appropriate instrumentation and include a Certificate of Analysis indicating traceability to NIST reference materials and ASTM methods when available. Shelf life and uncertainty information is also included.


  • Technical Assistance
  • Special Projects
  • World-wide shipping, including Dangerous Goods (DG) classification
  • Same day shipping on stock sets


  • Sulfur, and other elements in a variety of non-aqueous matrices
  • Multi-Elements in Lubricating Oils and Residual Oils
  • Ultra Low Sulfur Standards
  • Nitrogen and Sulfur Ampules for UV Fluorescence and Chemiluminescence instruments
  • Sulfur and Metals in Crude Oil
  • Sulfur Free Wear Metal Standards- Organo-Metallic for XRF, AA, ICP or AE applications
  • Single Element Organo-Metallic Standards (ORGM)
  • Liquid Organo-Metallic Solutions (LOMS) ^
  • Internal Standards
  • Titration Standards
  • PE and PVC Standards for RoHS/WEEE in Disc and Powder Form
  • Wear Metal Standards for ICP, RDE and other techniques
  • Physical Testing Standards

How can we assist you?

You question everything, let us validate your answers.

Contact Us