Tungsten standard 1000 µg/mL for AA

Agilent quality

• • • Manufactured in accordance with ISO Guide 34 and under our ISO 9001 registered quality system
    • Analyte concentrations are verified by our ISO 17025 accredited laboratory
    • Starting materials have a purity of 99.999% (ICP), wherever possible
    • Traceable to NIST SRM, wherever possible
    • Analyzed for trace metal impurities