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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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68.00 68.0 USD
Dilution, Barium (Ba) 50 PPM 100ML
Item number 4400-50PPM41-100
63.00 63.0 USD
Dilution, Bismuth (Bi) 20 PPB, 100mL
Item number 4400-20PPB61-100
63.00 63.0 USD
Dilution, Gold (Au), 25PPM, 1L (4x250mL), HCL
Item number 4400-25PPM212-1L (4 X 250)
272.00 272.0 USD
Dilution, Mercury, 1ppm 2% HNO3 250mL
Item number 4400-1PPM331-250
97.00 97.0 USD
Dilution, Silver (Ag), 5PPM, 250mL, HNO3
Item number 4400-5PPM511-250
97.00 97.0 USD
Ethanol, Absolute, USP, 25 mL
Item number Z-010202-99
90.00 90.0 USD
Dilution, Scandium (Sc), 100PPM, 100mL
Item number 4400-100PPM481-100
92.00 92.0 USD
ICP-OES Instrument Check Std 3, 250mL
Item number 4400-010126-250
159.00 159.0 USD
Dilution, Lead (Pb), 15PPB, 500mL, HNO3
Item number 4400-15PPB281-500
139.00 139.0 USD
Dilution, Platinum (Pt), 150PPM, 250mL, HNO3
Item number 4400-150PPM402-250
122.00 122.0 USD
Dilution, Platinum (Pt), 50PPM, 250mL, HCL
Item number 4400-50PPM402-250
97.00 97.0 USD
Dilution, Iron(Fe), 5PPM, 500mL
Item number 4400-5PPM261-500
139.00 139.0 USD
Instrument Check Standard #2
Item number 4400-CALMX2-100
131.00 131.0 USD
Dilution, Mercury (Hg), 2ppm, HNO3, 500mL
Item number 4400-2PPM331-500
139.00 139.0 USD
Dilution, NO2, 2ppm, 500mL
Item number 4400-2PPMNO2-500
139.00 139.0 USD
Farnesene Solution, 1000 mg/L, 5 x 1 mL
Item number Z-017055-06-5PAK
205.00 205.0 USD
120.00 120.0 USD