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QC-7 Elements Standard
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Description
QC-7 element standard is a multi-element solution used for ICP Calibration and/or Quality Control. Analyte concentrations range between 50 and 1,000 ppm concentration - see table. Commonly used for EPA Method 200.7.
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 17034 and ISO 17025 accordance. Each standard is verified instrumentally and gravimetrically and comes with a Certificate of Analysis. A SDS is available to download at sds.cpiinternational.com.
Specs
Analyte | Symbol | Concentration (µg/mL) |
Aluminum | Al | 100 |
Barium | Ba | 100 |
Boron | B | 100 |
Potassium | K | 1,000 |
Silicon | Si | 50 |
Silver | Ag | 100 |
Sodium | Na | 100 |
Matrix: 5% HNO3
Volume: 500 mL (Item Number 4400-001)
100 mL (Item Number 4400-002)
Additional Info
Shelf Life: 18 months from manufacture date. Ships with a minimum of 12 months shelf life remaining.