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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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532.00 532.0 USD
147.00 147.0 USD
544.00 544.0 USD
g-BHC Solution, 100 mg/L, 1 mL
Item No.: Z-030238-01
32.00 32.0 USD
24.15 24.15 USD
32.00 32.0 USD
54.00 54.0 USD
53.00 53.0 USD
8260 Gases, 2,000 mg/L, 1 mL
Item No.: Z-120313-02
66.00 66.0 USD
Internal Standard
Item No.: 4400-010034
180.00 180.0 USD
ICP/MS Calibration Standard #1, µg/mL in HNO3, 250 mL
Item No.: 4400-ICP-MSCS
10 µg/mL Be, Bi, Ce, Co, In, Pb, Mg, Ni, U in 2% HNO3.
360.00 360.0 USD
ICP/MS Calibration Standard
Item No.: 4400-ICPMS-250
239.00 239.0 USD
Standard Solution A, Rev. 4.4, HNO3, 100 mL
Item No.: 4400-010037
10 µg/mL Al, As, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Th, Tl, U, V, Znin 5% HNO3 + Tr. Tartaric acid.
419.00 419.0 USD