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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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Lead (Pb), 200 µg/mL, HNO3, 100 mL
Item No.: 4400-200PPM281-100
67.00 67.0 USD
Cobalt (Co), 400 µg/mL, HNO3, 250 mL
Item No.: 4400-400PPM131-250
101.00 101.0 USD
Mercury (Hg), 200 µg/mL, HNO3, 100 mL
Item No.: 4400-200PPM331-100
67.00 67.0 USD
Copper (Cu), 5 PPM, 500 mL
Item No.: 4400-5PPM141-500
145.00 145.0 USD
ICP/MS Standard #4, HNO3, 250 mL
Item No.: 4400-010027
10 µg/mL in 2% HNO3 + Tr. HFin B, Ge, Mo, Nb, P, Re, S, Si, Ta, Ti, W, Zr.
403.00 403.0 USD
Cadmium (Cd), 200 µg/mL, HNO3, 100 mL
Item No.: 4400-200PPM81-100
67.00 67.0 USD
ICP/MS Standard #3, HCl, 250 mL
Item No.: 4400-ICPMS3
10 µg/mL Au, Hf, Ir, Pd, Pt, Rh, Ru, Sb, Sn, Te in 10% HCl.
656.00 656.0 USD
Chromium (Cr), 10 ppb, HNO3, 100 mL
Item No.: 4400-10PPB121-100
67.00 67.0 USD
Chromium (Cr), 15 PPM, 500 mL
Item No.: 4400-15PPM121-500
145.00 145.0 USD
Lead (Pb), 1 PPM, 500 mL, H20
Item No.: 4400-1PPM281-500
145.00 145.0 USD
ICP/MS Standard #1, HNO3, 250 mL
Item No.: 4400-ICPMS1
10 µg/mL in 2% HNO3in Ce, Dy, Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Sc, Sm, Tb, Th, Tm, Y, Yb.
444.00 444.0 USD
Selenium (Se), 25 ppb, HNO3, 1 L
Item No.: 4400-25PPB491-1000
225.00 225.0 USD
98.00 98.0 USD
Cobalt (Co), 300 µg/mL, HNO3, 250 mL
Item No.: 4400-300PPM131-250
101.00 101.0 USD
Mercury (Hg), 1 µg/mL, HNO3, 100 mL
Item No.: 4400-1PPM331-100
See Product Description for full details.
67.00 67.0 USD
Bismuth (Bi), 200 ppb, HNO3, 100 mL
Item No.: 4400-200PPB61-100
67.00 67.0 USD
Arsenic (As), 200 µg/mL, HNO3, 100 mL
Item No.: 4400-200PPM31-100
67.00 67.0 USD
Bismuth (Bi), 20 µg/mL, HNO3, 100 mL
Item No.: 4400-20PPM61-100
67.00 67.0 USD
Silver (Ag), 4 µg/mL, HNO3, 250 mL
Item No.: 4400-4PPM511-250
101.00 101.0 USD
Platinum (Pt), 100 µg/mL, HCl, 100 mL
Item No.: 4400-100PPM402-100
97.00 97.0 USD