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Custom Reference Standards

Reference Standards


Peak Performance™ certified reference standards

Standardize Your Standards

CPI International provides a comprehensive portfolio of reference materials and standards to support analytical testing across industries. From inorganic and organic standards to cannabis, food safety, microbiology, and environmental solutions, our selection of standards is designed to meet the diverse needs of modern laboratories.

  • Certified Reference Materials (CRMs): Produced in ISO 17034–accredited facilities for accuracy and traceability.
  • Reference Materials (RMs): Manufactured and tested in ISO/IEC 17025–accredited laboratories.
  • Application-Specific Standards: Covering spectroscopy, chromatography, mass spectrometry, microbiology, and wet chemistry methods.
  • Custom Standards: Tailored formulations to reduce workload, improve efficiency, and support regulatory compliance in your industry.

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Custom Flavonoid Mixture, 5 x 1 mL
Item No.: Z-151443-01-5PAK
2,105.00 2105.0 USD
1,010.00 1010.0 USD
641.00 641.0 USD
Canada Cannabis Pesticide Mix 4
Item No.: Z-G34-13CD04-01
166.95 166.95 USD
Canadian Pesticide Standard Mixture 3
Item No.: Z-G34-156031-05-5PAK
768.60 768.6 USD
Canadian Pesticide Standard Mixture 2
Item No.: Z-G34-13CDP2-01
133.35 133.35 USD
425.00 425.0 USD
435.00 435.0 USD
515.00 515.0 USD
Complete Set of Interference Check Standards, 4 x 100 mL
Item No.: 4400-INTR-SET
See Product Description for full details.
1,376.00 1376.0 USD
192.15 192.15 USD
Contract Laboratory Program (CLP) Instrument Calibration Standard #2
Item No.: 4400-ICAL2-100
Ag 100, Ni 400, Cr 100, Zn 200, Mn 150 in 5% HNO3. 100 mL
188.00 188.0 USD
802.00 802.0 USD
230.00 230.0 USD
Conductivity Standard 100 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
0.0 USD
Conductivity Standard 25,000 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
0.0 USD
Buffer Solution, pH 8.00, Colorless
Choose from 500mL, 1L, 4L, 10L, and 20L options.
0.0 USD
Buffer Solution, pH 9.54, Colorless
Choose from 500mL, 1L, 4L, 10L, and 20L options.
0.0 USD
63.00 63.0 USD