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Custom Reference Standards

Single-Element 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.

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Dilution, Rhodium (Rh), HCl, 100ppm, 100mL
Item number 4400-100PPM442-100
640.00 640.0 USD
Dilution, Gold (Au), 5PPM, 1L (4x250mL), HCL
Item number 4400-5PPM212-1L (4 X 250)
317.00 317.0 USD
Dilution, Gold (Au), 25PPM, 1L (4x250mL), HCL
Item number 4400-25PPM212-1L (4 X 250)
286.00 286.0 USD
255.00 255.0 USD
Dilution, Gold (Au), 20PPM, 1L, HCL
Item number 4400-20PPM212-1000
246.00 246.0 USD
246.00 246.0 USD
Dilution, Sodium (Na), 50PPB, 1L, HNO3
Item number 4400-50PPB521-1000
225.00 225.0 USD
Dilution, Sodium (Na), 25PPB, 1L, HNO3
Item number 4400-25PPB521-1000
225.00 225.0 USD
Dilution, Selenium (Se), 25PPB, 1L, HNO3
Item number 4400-25PPB491-1000
225.00 225.0 USD
Dilution, Phosphorus (P-PO4), 375PPM, 1L, H20
Item number 4400-375PPM391-1000
225.00 225.0 USD
Dilution, Phosphorus (P-PO4), 25PPM, 1L, H20
Item number 4400-25PPM391-1000
225.00 225.0 USD
Dilution, Phosphorus (P-PO4), 250PPM, 1L, H20
Item number 4400-250PPM391-1000
225.00 225.0 USD
Dilution, Phosphorus (P-PO4), 200PPM, 1L, H20
Item number 4400-200PPM391-1000
225.00 225.0 USD
Dilution, Manganese (Mn), 50PPB, 1L, HNO3
Item number 4400-50PPB321-1000
225.00 225.0 USD
Dilution, Gold (Au), 4PPM, 1L, HCL
Item number 4400-4PPM212-1000
225.00 225.0 USD
Dilution, Lithium 6 (Li6), 100PPM, 100mL
Item number 4400-100PPM296I-100
220.00 220.0 USD
Dilution, Gold (Au), 20ppm, HCl, 500mL
Item number 4400-20PPM212-500
188.00 188.0 USD
Dilution, Rhodium (Rh), 10PPM, 100mL
Item number 4400-10PPM442-100
185.00 185.0 USD
Dilution, Gold (Au), 2PPM, 500mL, HCL
Item number 4400-2PPM212-500
184.00 184.0 USD
Dilution, Nitrite (NO2), 500PPB, H20, 500mL
Item number 4400-500PPBNO2-500
176.00 176.0 USD