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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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544.00 544.0 USD
52.00 52.0 USD
Method 8260 Gases, 200 mg/L, 5 x 1 ml
Item number Z-120016-04-5PAK
182.00 182.0 USD
40.00 40.0 USD
Oil & Grease Standard, 2mg/mL, 100mL
Item number 4401-1664-2
144.00 144.0 USD
71.00 71.0 USD
147.00 147.0 USD
52.50 52.5 USD
N25/500-WLC NEEDLE PK5
Item number 038260
60.90 60.9 USD
54.00 54.0 USD
Soil Spike for 6020 CLP-M, HNO3, 100 mL
Item number 4400-010044
314.00 314.0 USD
135.00 135.0 USD
135.00 135.0 USD
QC/ICV Solution for 6020 CLP-M
Item number 4400-010045
314.00 314.0 USD
183.75 183.75 USD
Tuning Solution, HNO3, 100 mL
Item number 4400-010040
198.00 198.0 USD
348.00 348.0 USD