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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-031004-06-SS-4Pak] Metribuzin Second Source Solution, 500 mg/L, 4x1 mL
Metribuzin Second Source Solution, 500 mg/L, 4x1 mL
Item No.: Z-031004-06-SS-4Pak
$ 157.50 157.5 USD
[4095-37] Modifier, 2% Ammonium Nitrate, 100mL
Modifier, 2% Ammonium Nitrate, 100mL
Item No.: 4095-37
$ 92.00 92.0 USD
[Z-130381-05] Organochlorine Pesticide Mix, 34-9, 10 mg/L, 5 mL
Organochlorine Pesticide Mix, 34-9, 10 mg/L, 5 mL
Item No.: Z-130381-05
$ 822.00 822.0 USD
[4095-34] Modifier, 5% Nickel Nitrate, 100mL
Modifier, 5% Nickel Nitrate, 100mL
Item No.: 4095-34
$ 83.00 83.0 USD
[4400-010138] Ionization Buffer, 1% Cesium Cs2CO3, 1%HNO3 500mL
Ionization Buffer, 1% Cesium Cs2CO3, 1%HNO3 500mL
Item No.: 4400-010138
$ 345.00 345.0 USD
[4400-010132] Ionization Buffer, 1% Potassium KCI, 1%HCl, 500mL
Ionization Buffer, 1% Potassium KCI, 1%HCl, 500mL
Item No.: 4400-010132
$ 192.00 192.0 USD
[4400-010025] Multi-Element Ion Chromatography Standard Solution 2
Multi-Element Ion Chromatography Standard Solution 2
Item No.: 4400-010025
$ 523.00 523.0 USD
[Z-G34-133078-01] Oregon Pesticide Mix, 12-3078, 600 mg/L, 1 mL (ISO17034)
Oregon Pesticide Mix, 12-3078, 600 mg/L, 1 mL (ISO17034)
Item No.: Z-G34-133078-01
$ 135.00 135.0 USD
[Z-010501-02] Motor Oil, SAE 30, 5,000 mg/L, 10 mL
Motor Oil, SAE 30, 5,000 mg/L, 10 mL
Item No.: Z-010501-02
$ 52.00 52.0 USD
p,p '-DDE Solution
p,p '-DDE Solution
0.0 USD
p,p '-DDT Solution
p,p '-DDT Solution
0.0 USD
Oregon Cannabis Pesticide Mix, 59-2885, Various Concentrations mg/L, 1 mL
Oregon Cannabis Pesticide Mix, 59-2885, Various Concentrations mg/L, 1 mL
Item No.: Z-132885-01
0.0 USD
[Z-133860-06] Oregon Pesticide Mix, 7-3076, 600 mg/L, 1 mL
Oregon Pesticide Mix, 7-3076, 600 mg/L, 1 mL
Item No.: Z-133860-06
$ 226.00 226.0 USD
[Z-116453-02] Methyl Methanesulfonate & Ethyl Methanesulfonate Solution, 2000 mg/L, 1 mL
Methyl Methanesulfonate & Ethyl Methanesulfonate Solution, 2000 mg/L, 1 mL
Item No.: Z-116453-02
$ 32.00 32.0 USD
[Z-132644-01] PCB Congener Solution, 26-16, 100 mg/L, 1 mL
PCB Congener Solution, 26-16, 100 mg/L, 1 mL
Item No.: Z-132644-01
$ 493.00 493.0 USD
[Z-G34-133077-01] Oregon Pesticide Mix, 18-3077, 600 mg/L, 1 mL (ISO17034)
Oregon Pesticide Mix, 18-3077, 600 mg/L, 1 mL (ISO17034)
Item No.: Z-G34-133077-01
$ 394.00 394.0 USD
[4400-010059] Multi-Analyte IC Std, Method 300 Calibration in H2O, 500mL
Multi-Analyte IC Std, Method 300 Calibration in H2O, 500mL
Item No.: 4400-010059
$ 538.00 538.0 USD
[Z-030909-11-10] Metolachlor Solution, 10 mg/L, 2 x 5 mL
Metolachlor Solution, 10 mg/L, 2 x 5 mL
Item No.: Z-030909-11-10
$ 63.00 63.0 USD
[Z-010084-04] o-Toluidine Solution, 100 mg/L, 1 mL
o-Toluidine Solution, 100 mg/L, 1 mL
Item No.: Z-010084-04
$ 24.15 24.15 USD
[Z-110555-02] Method 8040 Phenols Mix #2, 9-6, 2,000 mg/L, 1 mL
Method 8040 Phenols Mix #2, 9-6, 2,000 mg/L, 1 mL
Item No.: Z-110555-02
$ 40.00 40.0 USD