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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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26.00 26.0 USD
Glucose-Glutamic Acid Solution, BOD, 1L
Item number 4401-GGABULK-1L
69.00 69.0 USD
Fenthion Solution, 10 mg/L, 2 x 5 ml
Item number: Z-031561-10-10
61.00 61.0 USD
Ethyl Ether Solution, 2000 mg/L, 1 ml
Item number Z-020226-02
39.00 39.0 USD
62.00 62.0 USD
Dicamba Solution, 1,000 mg/L, 1 ml
Item number: Z-030669-01
41.00 41.0 USD
Instrument Check Standard #1
Item number 4400-CALMX1-100
147.00 147.0 USD
Oregon and Washington LC Pesticides Mix 1
Item number Z-G34-134977-01-PAK
1,363.00 1363.0 USD
122.00 122.0 USD
Heptane Solution, 2000 mg/L, 1 ml
Item number Z-020546-01
32.00 32.0 USD
Hydrazine HCl Solution, 1,000 mg/L, 5 x 1 ml
Item number Z-010245-02-5PAK
186.00 186.0 USD
57.00 57.0 USD
63.00 63.0 USD
EPH Spike Mix, 10-1, 50 mg/L, 4 x 25 ml
Item number Z-116260-01
233.00 233.0 USD
EPA Method 8330 Mix, 14-1, 100 mg/L, 1 ml
Item number Z-111049-01-01
171.00 171.0 USD
57.00 57.0 USD
32.00 32.0 USD