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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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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
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
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
As 100, Se 50, Cd 50, Tl0, Pb 50 in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
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 #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
Groundwater and Wastewater Pollutant Control Check Standard-Trace Metals #3, HNO3
Ba 500, Ca 500, K 100, Mg 100, Mo 500, Na 500 in 2% HNO3/HF.
Available in 100 mL and 500 mL volumes.
0.0 USD
Mixed Calibration Standard #1, HNO3
Be 50, Cd 150, Mn 100, Pb 500, Se 500, Zn 150 in 2% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Mixed Calibration Standard #2, HNO3
Ba 100, Co 100, Cu 100, Fe 10000, V 100 in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Mixed Calibration Standard #3, HNO3
As 500, Si 100, Mo 100 in 2% HNO3/HF.
Available in 100 mL and 500 mL volumes.
0.0 USD
Mixed Calibration Standard #4, HNO3
Al 200, Ni 20, Ca 1000, K 400, Cr 20, Na 200 in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Mixed Calibration Standard #5, HNO3
Sb 200, Ag 50, B 100, Tl 200, Mg 1000 in 2% HNO3/HF.
Available in 100 mL and 500 mL volumes.
0.0 USD
Groundwater and Wastewater Pollutant Control Check Standard-Trace Metals #1, HNO3
Al 500, Pb 100, As 100, Mn 100, Be 100, Hg 5, Cd 25, Ni 100, Cr 100, Se 25, Co 100, V 250, Cu 100, Zn 100, Fe 10 in 5% HNO3 .
Available in 100 mL and 500 mL volumes.
0.0 USD
Groundwater and Wastewater Pollutant Control Check Standard-Trace Metals #2, HNO3
Sb, Tl, Ag in 2% HNO3/HF.
Available in 100 mL and 500 mL volumes.
0.0 USD