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Inorganic 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!


Started with Precision

 - High-purity starting materials
 - Sub-boiling distilled acids
 - 18 MΩ de-ionized water

Packaged for Reliability

 - Pre-cleaned, pre-leached HDPE
or LDPE bottles
 - Heat-shrink seals

Engineered for Accuracy

 - Class A volumetric glassware
 - Accurate to ±0.3%
(single-element standards)
 -
Certified against NIST SRM 3100 series

Backed by Integrity

 - NIST-traceable balances
 - Minimum 12-mo. shelf life
 - CoA with every standard


Built on Quality

 - Made in U.S.A.
 - Produced in ISO 17034–accredited facility
 - Tested in ISO/IEC 17025–accredited lab

We'll Mix Customs for YOU!

 - Tailored by your matrix & method
 - Lower your cost per test
 - Warehouse stocking options available


Peak Performance Inorganic Trace Metal Standard, Nickel (Ni)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Niobium (Nb)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Gadolinium (Gd)
Choose from 1,000 and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Gallium (Ga)
Choose from 1,000 and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Germanium (Ge)
Choose from 1,000 and 10,000 µg/mL concentrations.
Choose from 100 mL and 250mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Gold (Au)
Choose from 1,000 and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Indium (In)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Iron (Fe)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Barium (Ba)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Beryllium (Be)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Bismuth (Bi)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Rubidium (Rb)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Dysprosium (Dy)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Erbium (Er)
Choose from 1,000 and 10,000 µg/mL concentrations.
Choose from 100mL and 250mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Copper (Cu)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Cobalt (Co)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Chromium (Cr)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Hafnium (Hf)
Choose from 1,000 µg/mL and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD
Peak Performance Inorganic Trace Metal Standard, Holmium (Ho)
Choose from 1,000 and 10,000 µg/mL concentrations.
Choose from 100 mL and 250 mL volumes.
0.0 USD