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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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Dilution, Silver (Ag), 10PPM, HNO3, 100mL
Item number 4400-10PPM511-100
69.00 69.0 USD
GCMS Mix 5: 18 Compounds, 50 mg/L 4 x 1 mL
Item number Z-131117-06-4PAK
524.00 524.0 USD
Dilution, Silver (Ag), 10PPM, 250mL, HNO3
Item number 4400-10PPM511-250
97.00 97.0 USD
Dilution, Silver (Ag), 100ppm, HNO3, 100mL
Item number 4400-100PPM511-100
63.00 63.0 USD
GCMS Mix 4: 10 Compounds, 50 mg/L 4 x 1 mL
Item number Z-131115-06-4PAK
442.00 442.0 USD
GCMS Mix 3: 10 Compounds, 50 mg/L 4 x 1 mL
Item number Z-112460-06-4PAK
635.00 635.0 USD
32.00 32.0 USD
Dalapon Methyl Ester, 2,000 mg/L, 1 ml
Item number: Z-030673-02
61.00 61.0 USD
Dilution, Silver (Ag), 100PPM, 500mL
Item number 4400-100PPM511-500
139.00 139.0 USD
Dilution, Silicon (Si), 10PPM, 500mL, HNO3
Item number 4400-10PPM504F-500
125.00 125.0 USD
Ethyleneimine Solution, 1000 mg/L, 5 x 1 ml
Item number Z-011243-05-5PAK
233.00 233.0 USD
Hexane Solution, 2000 mg/L, 1 ml
Item number Z-020472-03
32.00 32.0 USD
Dilution, Silicon (Si), 100ppm, H2O, 100mL
Item number 4400-100PPM504F-100
63.00 63.0 USD
Dilution, Selenium (Se) 10ppm, 100mL
Item number 4400-10PPM491-100
114.00 114.0 USD
Dilution, Scandium (Sc), 10PPM, 250mL, HNO3
Item number 4400-10PPM481-250
163.00 163.0 USD
Dilution, Potassium (K) 100ug/mL, 100mL
Item number 4400-100PPM411-100
63.00 63.0 USD
Fenchlorphos Solution, 1000 mg/L, 1 ml
Item number: Z-030582-01
41.00 41.0 USD
Dilution, Gold (Au), 20PPM, 1L, HCL
Item number 4400-20PPM212-1000
235.00 235.0 USD
Dilution, Phosphorus (P), 100PPM, 250mL
Item number 4400-100PPM391-250
97.00 97.0 USD
Dilution, Nitrate as Nitrogen (N-NO3), 1PPM, 500mL
Item number 4400-1PPM-N-NO3-500
139.00 139.0 USD