*Perkin Elmer Optima 3000 Multi-Element Standard, Varied conc. in 2% HNO3, 100mL

CPI International's Peak Performance Multi Element standards are produced in a controlled environment using ultra high-purity starting materials with NIST traceability and with ISO 17025 accordance. Each standard is verified instrumentally and gravimetrically and comes with a Certificate of Analysis and an SDS is available to download at sds.cpiinternational.com. CPI guarantees the accuracy of our stock Peak Performance Single-Element standards to +/- 0.5% for 18 months from date of shipment.