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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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226.00 226.0 USD
244.00 244.0 USD
571.00 571.0 USD
180.00 180.0 USD
60.00 60.0 USD
160.00 160.0 USD
Drinking Water Standard Set, 2 x 100 mL
Item number 4400-DW-SET
468.00 468.0 USD
ICP/MS Standard #4, HNO3, 250 mL
Item number 4400-010027
403.00 403.0 USD
ICP/MS Standard #3, HCl, 250 mL
Item number 4400-ICPMS3
656.00 656.0 USD
ICP/MS Standard #1, HNO3, 250 mL
Item number 4400-ICPMS1
444.00 444.0 USD
453.00 453.0 USD
ICP/MS for 6020 CLP-M
Item number 4400-ICPMS-6020
306.00 306.0 USD
ICP/MS Check Standard, HNO3, 250 mL
Item number 4400-ICP-MS-ICS
683.00 683.0 USD
215.00 215.0 USD
125.00 125.0 USD
EPA Method 300.1 Eluent Solution, 5 M
Item number 4400-010171
83.00 83.0 USD
Oil & Grease Standard, 4mg/mL, 100mL
Item number 4401-1664-4
144.00 144.0 USD
38.00 38.0 USD