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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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Mercury (Hg), 100 µg/mL, HNO3, 250 mL
Item No.: 4400-100PPM331-250
101.00 101.0 USD
Sulfur (S), 50 µg/mL, H2O, 250 mL
Item No.: 4400-50PPM544-250
101.00 101.0 USD
Barium (Ba) 50 PPM 100 mL
Item No.: 4400-50PPM41-100
67.00 67.0 USD
Bismuth (Bi) 20 PPB, 100 mL
Item No.: 4400-20PPB61-100
67.00 67.0 USD
Gold (Au), 25 µg/mL, HCl, 1 L (4 x 250 mL)
Item No.: 4400-25PPM212-1L
286.00 286.0 USD
Mercury (Hg), 1 µg/mL, HNO3, 250 mL
Item No.: 4400-1PPM331-250
128.00 128.0 USD
Silver (Ag), 5 µg/mL, HNO3, 250 mL
Item No.: 4400-5PPM511-250
101.00 101.0 USD
Ethanol, Absolute, USP, 25 mL
Item No.: Z-010202-99
94.00 94.0 USD
Scandium (Sc), 100 µg/mL, HNO3, 100 mL
Item No.: 4400-100PPM481-100
97.00 97.0 USD
ICP-OES Instrument Check Std 3, 250mL
Item No.: 4400-010126-250
167.00 167.0 USD
Lead (Pb), 15 ppb, HNO3, 500 mL
Item No.: 4400-15PPB281-500
145.00 145.0 USD
Platinum (Pt), 150 µg/mL, HNO3, 250 mL
Item No.: 4400-150PPM402-250
129.00 129.0 USD
Platinum (Pt), 50 µg/mL, HCl, 250 mL
Item No.: 4400-50PPM402-250
101.00 101.0 USD
Iron (Fe), 5 µg/mL, HNO3, 500 mL
Item No.: 4400-5PPM261-500
145.00 145.0 USD
Instrument Check Standard #2, HNO3, 100 mL
Item No.: 4400-CALMX2-100
Ba 50, Be 20, La 20, Mn 20, Ni 20, Sc 20, Zn 20 in 2% HNO3.
137.00 137.0 USD
Mercury (Hg), 2 µg/mL, HNO3, 500 mL
Item No.: 4400-2PPM331-500
145.00 145.0 USD
NO2, 2 ppm, 500 mL
Item No.: 4400-2PPMNO2-500
145.00 145.0 USD
Farnesene Solution, 1000 mg/L, 5 x 1 mL
Item No.: Z-017055-06-5PAK
215.00 215.0 USD
132.00 132.0 USD