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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

[Z-130996-06-4PAK] LCMS MIX #2: 18 Compounds, 50 mg/L, 1 mL
LCMS MIX #2: 18 Compounds, 50 mg/L, 1 mL
Item No.: Z-130996-06-4PAK
$ 899.85 899.85 USD
[Z-133668-06-4PAK] LCMS MIX #2: 14 Compounds, 50 mg/L, 4 x 1 mL
LCMS MIX #2: 14 Compounds, 50 mg/L, 4 x 1 mL
Item No.: Z-133668-06-4PAK
$ 761.25 761.25 USD
[4400-010144] Ionization Buffer, 1% Lithium from LiCl, 1%HCL 500mL
Ionization Buffer, 1% Lithium from LiCl, 1%HCL 500mL
Item No.: 4400-010144
$ 212.00 212.0 USD
[Z-122944-02-5PAK] Maryland Residual Solvent Gas Mix, Propane & Butane, Various Concentration, 5 x 1 mL
Maryland Residual Solvent Gas Mix, Propane & Butane, Various Concentration, 5 x 1 mL
Item No.: Z-122944-02-5PAK
$ 145.00 145.0 USD
[4095-14] Modifier, 1% Nickel, 4% HNO3, 100mL
Modifier, 1% Nickel, 4% HNO3, 100mL
Item No.: 4095-14
$ 83.00 83.0 USD
[4400-010133] Ionization Buffer, 5% Potassium KCI, 1%HCl, 500mL
Ionization Buffer, 5% Potassium KCI, 1%HCl, 500mL
Item No.: 4400-010133
$ 229.00 229.0 USD
[Z-110061-06] PAH Mix (EPA 610), Various Concentrations, 1 mL
PAH Mix (EPA 610), Various Concentrations, 1 mL
Item No.: Z-110061-06
$ 89.00 89.0 USD
Oregon Pesticide Mix, 2-3074, 600 mg/L
Oregon Pesticide Mix, 2-3074, 600 mg/L
0.0 USD
[4400-010135] Ionization Buffer, 5% Potassium KNO3, 1%HNO3, 500mL
Ionization Buffer, 5% Potassium KNO3, 1%HNO3, 500mL
Item No.: 4400-010135
$ 511.00 511.0 USD
[4095-16] Modifier, 1% NH4H2PO4, 1% HNO3, 100mL
Modifier, 1% NH4H2PO4, 1% HNO3, 100mL
Item No.: 4095-16
$ 104.00 104.0 USD
[Z-033176-06-5PAK] Isoborneol Solution, 1000 mg/L, 5 x 1 mL
Isoborneol Solution, 1000 mg/L, 5 x 1 mL
Item No.: Z-033176-06-5PAK
$ 162.75 162.75 USD
[Z-G34-111800-01-5PAK] Terpene Standard (Medical), 2 analytes, 2,500 mg/L, 5 x 1 mL
Terpene Standard (Medical), 2 analytes, 2,500 mg/L, 5 x 1 mL
Item No.: Z-G34-111800-01-5PAK
$ 271.00 271.0 USD
[Z-G34-122292-01] OR Residual Solvents, 34-2292, 500:1000 mg/L, 1 mL (ISO17034)
OR Residual Solvents, 34-2292, 500:1000 mg/L, 1 mL (ISO17034)
Item No.: Z-G34-122292-01
$ 182.00 182.0 USD
[Z-116600-01] Method 552 Halogenated Acetic Mix, 10-1, 2000:1000 mg/L, 1 mL
Method 552 Halogenated Acetic Mix, 10-1, 2000:1000 mg/L, 1 mL
Item No.: Z-116600-01
$ 183.00 183.0 USD
[Z-010508-01-10PAK] Mineral Oil, 10,000 mg/L, 10 x 10 mL, PFA Tube
Mineral Oil, 10,000 mg/L, 10 x 10 mL, PFA Tube
Item No.: Z-010508-01-10PAK
$ 72.45 72.45 USD
[Z-030479-11-10] Methamidophos Solution, 10 mg/L, 2 x 5 mL
Methamidophos Solution, 10 mg/L, 2 x 5 mL
Item No.: Z-030479-11-10
$ 63.00 63.0 USD
[Z-010486-05] m-Toluidine Solution, 100 mg/L, 1 mL
m-Toluidine Solution, 100 mg/L, 1 mL
Item No.: Z-010486-05
$ 24.15 24.15 USD
[Z-G34-020177-03] p-Cymene (4-Isopropyltoluene) Solution, 1,000 mg/L, 1 mL (ISO 17034)
p-Cymene (4-Isopropyltoluene) Solution, 1,000 mg/L, 1 mL (ISO 17034)
Item No.: Z-G34-020177-03
$ 40.00 40.0 USD
[Z-116701-02] Method 525 Internal Standard/Surrogate Fortification Solution, 500 mg/L, 1 mL
Method 525 Internal Standard/Surrogate Fortification Solution, 500 mg/L, 1 mL
Item No.: Z-116701-02
$ 120.00 120.0 USD
[4401-1664-4] Oil & Grease Standard, 4mg/mL, 100mL
Oil & Grease Standard, 4mg/mL, 100mL
Item No.: 4401-1664-4
$ 144.00 144.0 USD