CPI International Peak Performance™ Standards are manufactured for Inductively Coupled Plasma, Atomic Absorption, Mass Spectroscopy, Gas Chromatography, and Ion Chromatography and for a wide range of applications including; environmental, volatiles and semi-volatiles, pesticides, pharmaceutical, petroleum, wine, cannabis, and food safety. All of our solutions are prepared from high-purity starting materials, sub-boiling distilled acids, and 18-mega-ohm de-ionized water using Class A volumetric labware and balances calibrated with Class F NIST-traceable weights. Every standard is certified gravimetrically and instrumentally against NIST SRM 3100 series spectrometric solutions.

We also offer custom standards to reduce workload and increase efficiency in laboratories. Our volatile organic reference materials are available in 1.2mL volume packed or two 0.6mL ampules to increase shelf life at no additional cost.

A Certificate of Analysis is shipped with every standard and the accuracy of single-element standards is guaranteed to ±0.3% for 18 months from the date of shipment.

For inquiries and assistance, you can reach us at 1 800-878-7654 (Customer Service Line), 707-525-5788 (California), +31 20 638 05 97 (Europe) or email

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