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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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Reference Standards

QC-26 Elements Standard, HNO3
QC-26 Elements Standard, HNO3
Ag 100, Al 100, As 100, B 100, Ba 100, Be 100, Ca 100, Cd 100, Co 100, Cr 100, Cu 100, Fe 100, K 1000, Mg 100, Mn 100, Mo 100, Na 100, Ni 100, Pb 100, Sb 100, Se 100, Si 50, Ti 100, Tl 100, V 100, Zn 100 in 5% HNO3 + trace HF.
Available in 100 mL and 500 mL volumes.
0.0 USD
Molybdenum (Mo) ICP Standard, HCl
Molybdenum (Mo) ICP Standard, HCl
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
4-Bromofluorobenzene Solution
4-Bromofluorobenzene Solution
0.0 USD
Chloromethane Solution
Chloromethane Solution
0.0 USD
Titanium (Ti)
Titanium (Ti)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Vinyl Chloride Solution
Vinyl Chloride Solution
0.0 USD
2-Chloroethylvinyl Ether Solution
2-Chloroethylvinyl Ether Solution
Choose from 100 mg/L, 200 mg/L, 1,000 mg/L, 2,000 mg/L, 5,000 mg/L, and 10,000 mg/L concentrations.
0.0 USD
Instrument Check Standard #7, HNO3
Instrument Check Standard #7, HNO3
Al 100, As 100, Cd 100, Co 100, Cr 100, Cu 100, Fe 100, K 100, Mg 100, Mn 100, Na 100, Ni 100, Pb 100, Y 600, Zn 100 in 2% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Secondary Drinking Water Metals Standard
Secondary Drinking Water Metals Standard
Cu 100, Mn 5, Fe 30, Zn 500 in H2O.
Available in 100 mL and 500 mL volumes.
0.0 USD
Primary Drinking Water Metals Standard
Primary Drinking Water Metals Standard
As 10, Pb 10, Ba 100, Se 5, Cd 5, Ag 10, Cr 10, Hg 10 in H2O.
Available in 100 mL and 500 mL volumes.
0.0 USD
Contract Laboratory Program (CLP) Instrument Calibration Standard #4
Contract Laboratory Program (CLP) Instrument Calibration Standard #4
As 100, Se 50, Cd 50, Tl0, Pb 50 in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Contract Laboratory Program (CLP) Instrument Calibration Standard #5
Contract Laboratory Program (CLP) Instrument Calibration Standard #5
As 100, Se 50, Cd 50, Tl0, Pb 50 in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Bromoform Solution
Bromoform Solution
0.0 USD
Interferents Check Solution A, HNO3
Interferents Check Solution A, HNO3
Al 5000, Ca 5000, Fe 2000, Mg 5000 in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Interference Check Standard #1, HNO3
Interference Check Standard #1, HNO3
1,000 µg/mL Antimony (Sb) in 2% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Interference Check Standard #18, HNO3
Interference Check Standard #18, HNO3
Solution A: As 1000, Ba 300, Ni 300, Be 100, K 20000, Cd 300, Se 500, Cr 300
Solution B: Ag 300
Solution C: Hg 50 in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Chloroform Solution
Chloroform Solution
0.0 USD
Interference Check Standard #3, HNO3
Interference Check Standard #3, HNO3
B 500, Si 230, Mo 300, Ti 1000 in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Dibromochloromethane Solution
Dibromochloromethane Solution
0.0 USD
Interference Check Standard #5, HNO3
Interference Check Standard #5, HNO3
Al 1200, Mg 3000, Ca 6000, Na 1000, Fe 5000 in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD