QC-21 Elements Standard, HNO3
Contains: As 100, Be 100, Ca 100, Cd 100, Co 100, Cr 100, Cu 100, Fe 100, Li 100, Mg 100, Mn 100, Mo 100, Ni 100, Pb 100, Sb 100, Se 100, Sr 100, Ti 100, Tl 100 in 5% HNO3 + trace HF.
Description
QC-21 element standard is a multi-element solution used for ICP Calibration and/or Quality Control. All 21 analytes are at 100 ppm concentration. 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. An SDS is available to download at sds.cpiinternational.com.
Specs
Analyte | Symbol | Concentration (µg/mL) |
Antimony | Sb | 100 |
Arsenic | As | 100 |
Beryllium | Be | 100 |
Cadmium | Cd | 100 |
Calcium | Ca | 100 |
Chromium | Cr | 100 |
Cobalt | Co | 100 |
Copper | Cu | 100 |
Iron | Fe | 100 |
Lithium | Li | 100 |
Lead | Pb | 100 |
Magnesium | Mg | 100 |
Manganese | Mn | 100 |
Molybdenum | Mo | 100 |
Nickel | Ni | 100 |
Selenium | Se | 100 |
Strontium | Sr | 100 |
Thallium | Tl | 100 |
Titanium | Ti | 100 |
Vanadium | V | 100 |
Zinc | Zn | 100 |
Matrix: 5% HNO3 + trace HF
Volume: 500 mL (Item Number 4400-011)
100 mL (Item Number 4400-010)
Additional Info
Shelf Life: 18 months from manufacture date. Ships with a minimum of 12 months shelf life remaining.

