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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.

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2026 Variant Price List
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Single-Element Standards

Dilution, Nickel (Ni), 5PPM, 500mL
Item number 4400-5PPM361-500
$ 145.00 145.0 USD
Dilution, Rhodium (Rh), 10PPM, 100mL
Item number 4400-10PPM442-100
$ 185.00 185.0 USD
Dilution, Silver (Ag), 1PPM, 250mL, HNO3
Item number 4400-1PPM511-250
$ 101.00 101.0 USD
Dilution, Silicon (Si), 2PPM, 500mL, H2O
Item number 4400-2PPM504F-500
$ 145.00 145.0 USD
Dilution, Scandium (Sc), 5PPM, 250mL, HNO3
Item number 4400-5PPM481-250
$ 101.00 101.0 USD
Dilution, Phosphorus (P-PO4), 250PPM, 1L, H20
Item number 4400-250PPM391-1000
$ 225.00 225.0 USD
Dilution, Palladium (Pd), 15PPM, 250mL, HNO3
Item number 4400-15PPM381-250
$ 137.00 137.0 USD
Dilution, Phosphorus (P), 50ppm, 500mL
Item number 4400-50PPM391-500
$ 145.00 145.0 USD
Dilution, Flouride (F), 10ppm, H2O, 500mL
Item number 4400-10PPMF-500
$ 145.00 145.0 USD
Dilution, Gold (Au) 10µg/mL, 250mL
Item number 4400-10PPM212-250
$ 154.00 154.0 USD
Dilution, Tin (Sn), 200PPM, 100mL, HCL
Item number 4400-200PPM612-100
$ 67.00 67.0 USD
Dilution, Nickel (Ni), 3PPM, 100mL, H20
Item number 4400-3PPM361-100
$ 67.00 67.0 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.
$ 145.00 145.0 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.
$ 145.00 145.0 USD
Dilution, Iron (Fe), 3PPM, 500mL, HNO3
Item number 4400-3PPM261-500
$ 145.00 145.0 USD
Dilution, Cobalt (Co), 350PPM, 250mL, HNO3
Item number 4400-350PPM131-250
$ 101.00 101.0 USD
Dilution, Chromium (Cr), 1PPB, 100mL, HNO3
Item number 4400-1PPB121-100
$ 67.00 67.0 USD
Dilution, Silver (Ag), 4PPM, 500mL
Item number 4400-4PPM511-500
$ 145.00 145.0 USD
Dilution, Gold (Au), 4PPM, 1L, HCL
Item number 4400-4PPM212-1000
$ 225.00 225.0 USD
Dilution, Mercury (Hg), 100PPM, 500mL, HNO3
Item number 4400-100PPM331-500
$ 145.00 145.0 USD