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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

[4400-100PPM391-100] Phosphorus (P), 100 µg/mL, HNO3, 100 mL
Phosphorus (P), 100 µg/mL, HNO3, 100 mL
Item No.: 4400-100PPM391-100
$ 67.00 67.0 USD
[4400-010150] ICP-MS Wash Water Blank, 18Mohm DI Water, 250mL
ICP-MS Wash Water Blank, 18Mohm DI Water, 250mL
Item No.: 4400-010150
$ 62.00 62.0 USD
[4400-10PPM-CLO4-100] Chlorate (ClO4), 10 µg/mL, H2O, 100 mL
Chlorate (ClO4), 10 µg/mL, H2O, 100 mL
Item No.: 4400-10PPM-CLO4-100
$ 67.00 67.0 USD
[4400-10PPM111-100] Cesium (Cs), 10 µg/mL, HNO3, 100 mL
Cesium (Cs), 10 µg/mL, HNO3, 100 mL
Item No.: 4400-10PPM111-100
$ 67.00 67.0 USD
[4400-10PPM121-100] Chromium (Cr), 10 µg/mL, HNO3, 100 mL
Chromium (Cr), 10 µg/mL, HNO3, 100 mL
Item No.: 4400-10PPM121-100
$ 98.00 98.0 USD
[4400-10PPM127-100] Chromium (Cr+6), 10 µg/mL, H2O, 100 mL
Chromium (Cr+6), 10 µg/mL, H2O, 100 mL
Item No.: 4400-10PPM127-100
$ 76.00 76.0 USD
[Z-030330-01] Diuron Solution, 1,000 mg/L, 5 mL
Diuron Solution, 1,000 mg/L, 5 mL
Item No.: Z-030330-01
$ 113.00 113.0 USD
[4400-10PPM23-100] Antimony (Sb), 10 µg/mL, HNO3, 100 mL
Antimony (Sb), 10 µg/mL, HNO3, 100 mL
Item No.: 4400-10PPM23-100
$ 67.00 67.0 USD
[4400-10PPM31-100] Arsenic (As), 10 µg/mL, HNO3, 100 mL
Arsenic (As), 10 µg/mL, HNO3, 100 mL
Item No.: 4400-10PPM31-100
$ 67.00 67.0 USD
[4400-10PPM51-100] Beryllium (Be), 10 µg/mL, HNO3, 100 mL
Beryllium (Be), 10 µg/mL, HNO3, 100 mL
Item No.: 4400-10PPM51-100
$ 119.00 119.0 USD
[4400-10PPM311-250] Magnesium (Mg), 10 µg/mL, HNO3, 250 mL
Magnesium (Mg), 10 µg/mL, HNO3, 250 mL
Item No.: 4400-10PPM311-250
$ 101.00 101.0 USD
[4400-10PPM321-100] Manganese (Mn), 10 µg/mL, HNO3, 100 mL
Manganese (Mn), 10 µg/mL, HNO3, 100 mL
Item No.: 4400-10PPM321-100
$ 67.00 67.0 USD
[4400-10PPM563-100] Tellurium (Te), 10 µg/mL, HNO3, 100 mL
Tellurium (Te), 10 µg/mL, HNO3, 100 mL
Item No.: 4400-10PPM563-100
$ 67.00 67.0 USD
[4400-10PPM74-100] Boron (B), 10 µg/mL, H2O, 100 mL
Boron (B), 10 µg/mL, H2O, 100 mL
Item No.: 4400-10PPM74-100
$ 67.00 67.0 USD
Phosphorus (P-PO4), 12.5 μg/mL, H2O, 1 L
Phosphorus (P-PO4), 12.5 μg/mL, H2O, 1 L
Item No.: 4400-12.5PPM391-1000
0.0 USD
[4400-010041] Internal Standard for 6020 CLP-M, 10 µg/mL, HNO3, 100 mL
Internal Standard for 6020 CLP-M, 10 µg/mL, HNO3, 100 mL
Item No.: 4400-010041
10 µg/mL Bi, Ho, In, Li6, Sc, Tb, Yin 5% HNO3.
$ 215.00 215.0 USD
[4400-50PPM281-100] Lead (Pb), 50 µg/mL, HNO3, 100 mL
Lead (Pb), 50 µg/mL, HNO3, 100 mL
Item No.: 4400-50PPM281-100
$ 67.00 67.0 USD
[4400-250PPM411-100] Potassium (K), 250 µg/mL, HNO3, 100 mL
Potassium (K), 250 µg/mL, HNO3, 100 mL
Item No.: 4400-250PPM411-100
$ 67.00 67.0 USD
[4400-100PPM691-100] Zirconium (Zr), 100 µg/mL, HNO3, 100 mL
Zirconium (Zr), 100 µg/mL, HNO3, 100 mL
Item No.: 4400-100PPM691-100
$ 67.00 67.0 USD
[4400-100PPM241-100] Indium (In), 100 µg/mL, HNO3, 100 mL
Indium (In), 100 µg/mL, HNO3, 100 mL
Item No.: 4400-100PPM241-100
$ 76.00 76.0 USD