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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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2026 Variant Price List
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Reference Standards

[4400-1PPM331-100] Mercury (Hg), 1 µg/mL, HNO3, 100 mL
Mercury (Hg), 1 µg/mL, HNO3, 100 mL
Item No.: 4400-1PPM331-100
See Product Description for full details.
$ 67.00 67.0 USD
[4400-200PPB61-100] Bismuth (Bi), 200 ppb, HNO3, 100 mL
Bismuth (Bi), 200 ppb, HNO3, 100 mL
Item No.: 4400-200PPB61-100
$ 67.00 67.0 USD
[4400-200PPM31-100] Arsenic (As), 200 µg/mL, HNO3, 100 mL
Arsenic (As), 200 µg/mL, HNO3, 100 mL
Item No.: 4400-200PPM31-100
$ 67.00 67.0 USD
[4400-20PPM61-100] Bismuth (Bi), 20 µg/mL, HNO3, 100 mL
Bismuth (Bi), 20 µg/mL, HNO3, 100 mL
Item No.: 4400-20PPM61-100
$ 67.00 67.0 USD
[4400-4PPM511-250] Silver (Ag), 4 µg/mL, HNO3, 250 mL
Silver (Ag), 4 µg/mL, HNO3, 250 mL
Item No.: 4400-4PPM511-250
$ 101.00 101.0 USD
[Z-010125-01] Decafluorotriphenylphosphine Solution (GC Tuning Solution), 1,000 mg/L, 1 mL
Decafluorotriphenylphosphine Solution (GC Tuning Solution), 1,000 mg/L, 1 mL
Item No.: Z-010125-01
$ 40.00 40.0 USD
[4400-100PPM402-100] Platinum (Pt), 100 µg/mL, HCl, 100 mL
Platinum (Pt), 100 µg/mL, HCl, 100 mL
Item No.: 4400-100PPM402-100
$ 97.00 97.0 USD
[4400-5PPM212-250] Gold (Au), 5 µg/mL, HCl, 250 mL
Gold (Au), 5 µg/mL, HCl, 250 mL
Item No.: 4400-5PPM212-250
$ 141.00 141.0 USD
[Z-013181-06-5PAK] DL-Menthol Solution, 1000 mg/L, 5 x 1 mL
DL-Menthol Solution, 1000 mg/L, 5 x 1 mL
Item No.: Z-013181-06-5PAK
$ 127.05 127.05 USD
[4400-100PPMCL-100] Chloride (Cl), 100 µg/mL, H2O, 100 mL
Chloride (Cl), 100 µg/mL, H2O, 100 mL
Item No.: 4400-100PPMCL-100
$ 71.00 71.0 USD
[4400-10PPM41-100] Barium (Ba), 10 µg/mL, HNO3, 100 mL
Barium (Ba), 10 µg/mL, HNO3, 100 mL
Item No.: 4400-10PPM41-100
$ 119.00 119.0 USD
[4400-10PPM31-250] Arsenic (As), 10 µg/mL, HNO3, 250 mL
Arsenic (As), 10 µg/mL, HNO3, 250 mL
Item No.: 4400-10PPM31-250
$ 101.00 101.0 USD
Endosulfan I Solution
Endosulfan I Solution
0.0 USD
[Z-G34-13FLP5-01] Florida Pesticide Standards Mixture 5, 24-1391, 100 ug/mL, 1 mL
Florida Pesticide Standards Mixture 5, 24-1391, 100 ug/mL, 1 mL
Item No.: Z-G34-13FLP5-01 (qty. 2 min.)
$ 173.00 173.0 USD
[Z-116795-01] Deuterated PAH Mix, 7-32, 200 mg/L, 1 mL
Deuterated PAH Mix, 7-32, 200 mg/L, 1 mL
Item No.: Z-116795-01
$ 532.00 532.0 USD
[Z-030257-01] Endrin Ketone Solution, 100 mg/L, 1 mL
Endrin Ketone Solution, 100 mg/L, 1 mL
Item No.: Z-030257-01
$ 32.00 32.0 USD
[4400-20PPM331-100] Mercury (Hg), 20 µg/mL, HNO3, 100 mL
Mercury (Hg), 20 µg/mL, HNO3, 100 mL
Item No.: 4400-20PPM331-100
$ 67.00 67.0 USD
[4400-250PPM131-100] Cobalt (Co), 250 µg/mL, HNO3, 100 mL
Cobalt (Co), 250 µg/mL, HNO3, 100 mL
Item No.: 4400-250PPM131-100
$ 67.00 67.0 USD
[4400-250PPM-N-NO2-100] Nitrogen from Nitrite (N-NO2), 250 PPM, 100 mL
Nitrogen from Nitrite (N-NO2), 250 PPM, 100 mL
Item No.: 4400-250PPM-N-NO2-100
$ 67.00 67.0 USD
Hexachlorobutadiene Solution, 10 mg/L, 1 mL
Hexachlorobutadiene Solution, 10 mg/L, 1 mL
0.0 USD