Designed to contain virtually every element in the mass spectrum for concentration checks.
Multi-element Calibration Standard 5, Matrix per Volume: H2O with trace of HF per 100 mL, Concentration of Element: 10µg/mL Boron, 10µg/mL Germanium, 10µg/mL Molybdenum, 10µg/mL Niobium, 10µg/mL Phosphorus, 10µg/mL Rhenium, 10µg/mL Sulfur, 10µg/mL Silicon, 10µg/mL Tantalum, 10µg/mL Titanium, 10µg/mL Tungsten, and 10µg/mL Zirconium.