Environmental Cal Standard A (Primary): Ag, Al, As, Ba, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Sr, Ti, Tl, U, V, Zn @ 10; Ca, Fe, K, Mg, Na @ 1000 µg/mL in 5% HNO3, tr. HF, tr. Tartaric Acid

• Supplier: Alfa Chemistry
• Product #: APS007827