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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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62.00 62.0 USD
121.00 121.0 USD
39.00 39.0 USD
141.00 141.0 USD
106.00 106.0 USD
70.00 70.0 USD
BTEX Solution, 2,000 mg/L, 1 ml
Item number Z-120020-02
53.00 53.0 USD
Conductivity Standard 10 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
19.00 19.0 USD
49.00 49.0 USD
Custom VOC Mix, 5-8, 5,000 mg/L, 1 ml
Item number Z-122017-01
54.00 54.0 USD
39.00 39.0 USD
Benzo[a]pyrene Solution, 100 mg/L, 1 ml
Item number Z-010020-01
32.00 32.0 USD
Conductivity Standard 500 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
20.00 20.0 USD
Buffer Solution, pH 3.00, Colorless
Choose from 500mL, 1L, 4L, 10L, and 20L options.
20.00 20.0 USD
Conductivity Standard 70,000 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
20.00 20.0 USD
39.00 39.0 USD
Conductivity Standard 12,880 µS/cm
Choose from 500mL, 1L, 4L, 10L, and 20L options.
20.00 20.0 USD
49.00 49.0 USD
Buffer Solution, pH 13.00, Colorless
Choose from 500mL, 1L, 4L, 10L, and 20L options.
20.00 20.0 USD