Skip to Content

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.

Set up Auto-ship and relax in the knowledge that you'll never run out of your critical standards again!


Premium Quality
Standards Reduce
Reworks

Certified, Traceable,
Accountable
Lower Your
Cost Per Test
Custom Standards
Available @ Fast
Turnaround
Private Label Available
for Small Distributors
Predictable Cost with
Auto-Shipment
24-Hour Quotes on stock standards and custom mixes
Late Order
Cutoff Time

63.00 63.0 USD
Dilution, Palladium (Pd), 15PPM, 250mL, HNO3
Item number 4400-15PPM381-250
131.00 131.0 USD
ICP-MS Stability Solution Low, 500mL
Item number 4400-010268
172.00 172.0 USD
Dichloran Solution, 10 mg/L, 2 x 5 ml
Item number: Z-031061-10-10
49.00 49.0 USD
ICP-OES Low UV Wave Cal Sol, 250mL
Item number 4400-010202-250
186.00 186.0 USD
Dilution, Phosphorus (P), 50ppm, 500mL
Item number 4400-50PPM391-500
139.00 139.0 USD
Instrument Check Standard #4
Item number 4400-CALMX4-100
259.00 259.0 USD
Dilution, Flouride (F), 10ppm, H2O, 500mL
Item number 4400-10PPMF-500
139.00 139.0 USD
Dilution, Gold (Au) 10µg/mL, 250mL
Item number 4400-10PPM212-250
147.00 147.0 USD
Dilution, Tin (Sn), 200PPM, 100mL, HCL
Item number 4400-200PPM612-100
63.00 63.0 USD
Dilution, Nickel (Ni), 3PPM, 100mL, H20
Item number 4400-3PPM361-100
63.00 63.0 USD
Dilution, Iron (Fe), 9PPM, 500mL, HNO3
CPI International's Peak Performance dilutions are provided at the concentration specified in the part number. All of our Peak Performance dilutions are produced in a controlled environment using ultra high-purity starting materials with NIST traceability and with ISO 17025 accordance. Each standard is verified instrumentally and gravimetrically and comes with a Certificate of Analysis and MSDS.
139.00 139.0 USD
Dilution, Iron (Fe), 7PPM, 500mL, HNO3
CPI International's Peak Performance dilutions are provided at the concentration specified in the part number. All of our Peak Performance dilutions are produced in a controlled environment using ultra high-purity starting materials with NIST traceability and with ISO 17025 accordance. Each standard is verified instrumentally and gravimetrically and comes with a Certificate of Analysis and MSDS.
139.00 139.0 USD
Dilution, Iron (Fe), 3PPM, 500mL, HNO3
Item number 4400-3PPM261-500
139.00 139.0 USD
ICP-MS Setup Solution High, 500mL
Item number 4400-010269
201.00 201.0 USD
Dilution, Cobalt (Co), 350PPM, 250mL, HNO3
Item number 4400-350PPM131-250
97.00 97.0 USD
Dilution, Chromium (Cr), 1PPB, 100mL, HNO3
Item number 4400-1PPB121-100
63.00 63.0 USD
Dilution, Silver (Ag), 4PPM, 500mL
Item number 4400-4PPM511-500
139.00 139.0 USD
Dilution, Gold (Au), 4PPM, 1L, HCL
Item number 4400-4PPM212-1000
214.00 214.0 USD
Dilution, Mercury (Hg), 100PPM, 500mL, HNO3
Item number 4400-100PPM331-500
139.00 139.0 USD