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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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Hydraulic Oil, 32 wt., 20,000 mg/L, 1 ml
Item number Z-011990-01-01
26.00 26.0 USD
Dilution, Lanthanum (La), 100PPM, 100mL, HNO3
Item number 4400-100PPM271-100
92.00 92.0 USD
24.00 24.0 USD
Dilution, Lithium (Li), 100PPM, 100mL
Item number 4400-100PPM291-100
63.00 63.0 USD
Dilution, Erbium (Er), 100ppm, HNO3, 100mL
Item number 4400-100PPM161-100
63.00 63.0 USD
Dilution, Gadolinium (Gd), 100PPM, 100mL, HNO3
Item number 4400-100PPM181-100
132.00 132.0 USD
EPH Surrogate Solution #1, 4 x 25 ml
Item number Z-110908-01-100
177.00 177.0 USD
Dilution, Vanadium (V), 50PPM 100mL, HNO3
Item number 4400-50PPM651-100
63.00 63.0 USD
Dilution, Lead (Pb), 50PPB, 100mL
Item number 4400-50PPB281-100
63.00 63.0 USD
Dilution, Germanium (Ge), 100PPM, 100mL, HNO3
Item number 4400-100PPM201-100
63.00 63.0 USD
Diultion, Copper (Cu), 50ppm, 100 mL
Item number 4400-50PPM141-100
63.00 63.0 USD
Dilution, Barium (Ba), 100PPM, 100mL, HNO3
Item number 4400-100PPM41-100
63.00 63.0 USD
ICP-MS Wash Solution, 1% HNO3, 250mL
Item number 4400-010261
63.00 63.0 USD
Dilution, Bismuth (Bi), 100PPM, 250mL, 2% HNO3
Item number 4400-100PPM61-250
99.00 99.0 USD
Dilution, Bismuth (Bi), 100ppm, 2% HNO3, 100mL
Item number 4400-100PPM61-100
63.00 63.0 USD
Dilution, Boron (B), 100PPM, 100mL
Item number 4400-100PPM74-100
63.00 63.0 USD
Dilution, Nitrogen from Nitrate(N-NO3),100ppm,100mL
Item number 4400-100PPMN-NO3-100
63.00 63.0 USD
Dilution, Phosphorus (P), 100ppm, HNO3, 100mL
Item number 4400-100PPM391-100
63.00 63.0 USD
60.00 60.0 USD
Dilution, Chlorate (ClO4), 10ppm, H2O, 100mL
Item number 4400-10PPM-CLO4-100
63.00 63.0 USD