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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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Iodine, 0.10N, Standardized, 4L
Item No.: 4400-290443-4L
162.00 162.0 USD
Ammonium Sulfate, ACS, 500g
Item No.: 4400-490201
53.00 53.0 USD
62.00 62.0 USD
Copper Sulfate, 10% w/v, 1L
Item No.: 4400-390115-1L
41.00 41.0 USD
Bifenazate Solution, 100 mg/L, 1 mL
Item No.: Z-G34-032960-03
98.00 98.0 USD
47.00 47.0 USD
18.00 18.0 USD
Sulfuric Acid, 25% v/v (1+3), 1L
Item No.: 4400-390117-1L
47.00 47.0 USD
40.95 40.95 USD
Reactive Phenols Mix, 200 mg/L, 1 mL
Item No.: Z-111011-05
98.00 98.0 USD
Internal Standard
Item No.: 4400-010034
180.00 180.0 USD
71.00 71.0 USD
ICP/MS Calibration Standard #1, µg/mL in HNO3, 250 mL
Item No.: 4400-ICP-MSCS
10 µg/mL Be, Bi, Ce, Co, In, Pb, Mg, Ni, U in 2% HNO3.
360.00 360.0 USD
ICP/MS Calibration Standard
Item No.: 4400-ICPMS-250
239.00 239.0 USD
170.00 170.0 USD
Diuron Solution, 100 mg/L, 1 mL
Item No.: Z-030330-05
37.80 37.8 USD
Diuron Solution, 2,000 mg/L, 1 mL
Item No.: Z-030330-09
57.00 57.0 USD
Diuron Solution, 1,000 mg/L, 1 mL
Item No.: Z-030330-02
48.30 48.3 USD