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Custom Reference Standards

EPA Method Standards (USA)


Peak Performance™ certified reference standards

Standardize Your Standards

CPI International’s Peak Performance™ Multi-Element Inorganic ICP Standards ​ are manufactured for accuracy, consistency, and traceability — including formulations for specific EPA methods and applications.

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183.75 183.75 USD
Method 200.7 Tuning Solution, HNO3
10 µg/mL Cu, Pb in 5% HNO3.
Available in 100 mL and 500 mL volumes.
0.0 USD
Groundwater and Wastewater Pollutant Control Check Standard-Trace Metals #2, HNO3
Sb, Tl, Ag in 2% HNO3/HF.
Available in 100 mL and 500 mL volumes.
0.0 USD