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Single-Element Standards


Peak Performance™ certified reference standards

Standardize Your Standards

CPI International’s Peak Performance™ Inorganic Certified Reference Materials are manufactured for accuracy, consistency, and traceability — delivering reliable results for ICP, ICP-MS, and Atomic Absorption applications.

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


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Custom Standards
Available @ Fast
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for Small Distributors

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76.00 76.0 USD
76.00 76.0 USD
75.00 75.0 USD
76.00 76.0 USD
63.00 63.0 USD
Dilution, Calcium (Ca), 10PPM, 250mL, HNO3
Item number 4400-10PPM91-250
97.00 97.0 USD
Dilution, Aluminum (Al), 100PPM, 250mL, HNO3
Item number 4400-100PPM11-250
92.00 92.0 USD
Dilution, Cobalt (Co), 1PPM, 500mL, HNO3
Item number 4400-1PPM131-500
135.00 135.0 USD
Dilution, Cobalt (Co), 400PPM, 250mL, HNO3
Item number 4400-400PPM131-250
97.00 97.0 USD
93.00 93.0 USD
Dilution, Cobalt (Co), 300PPM, 250mL, HNO3
Item number 4400-300PPM131-250
96.00 96.0 USD
Dilution, Colbalt (Co), 250PPM, 100mL, HNO3
Item number 4400-250PPM131-100
63.00 63.0 USD
Dilution, Palladium (Pd), 5PPM, 250mL, HNO3
Item number 4400-5PPM381-250
97.00 97.0 USD
Dilution, Cobalt (Co), 2PPM, 500mL, HNO3
Item number 4400-2PPM131-500
139.00 139.0 USD
Dilution, Aluminum (Al), 10PPM, 100mL
Item number 4400-10PPM11-100
61.00 61.0 USD
Dilution, Cobalt (Co), 250PPB, 100mL, HNO3
Item number 4400-250PPB131-100
63.00 63.0 USD
Dilution, Palladium (Pd), 15PPM, 250mL, HNO3
Item number 4400-15PPM381-250
131.00 131.0 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