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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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59.00 59.0 USD
87.00 87.0 USD
Phosphorus (P-PO4), 25 µg/mL, H2O, 1 L
Item No.: 4400-25PPM391-1000
225.00 225.0 USD
Phosphorus (P-PO4), 200 µg/mL, H2O, 1 L
Item No.: 4400-200PPM391-1000
225.00 225.0 USD
24.00 24.0 USD
ICP-OES VIS Wave Cal Sol, 250mL
Item No.: 4400-010124-250
288.00 288.0 USD
63.00 63.0 USD
Cobalt (Co), 2 µg/mL, HNO3, 500 mL
Item No.: 4400-2PPM131-500
145.00 145.0 USD
94.00 94.0 USD
70.00 70.0 USD
ICP/MS Check Standard, HNO3, 250 mL
Item No.: 4400-ICP-MS-ICS
See Product Description for full details.
683.00 683.0 USD
Fenitrothion Solution, 10 mg/L, 2 x 5 mL
Item No.: Z-031019-10-10
63.00 63.0 USD
Selenium (Se), 100 µg/mL, HNO3, 100 mL
Item No.: 4400-100PPM491-100
67.00 67.0 USD
Platinum (Pt), 200 µg/mL, HCl, 250 mL
Item No.: 4400-200PPM402-250
101.00 101.0 USD