Iron Standard, 200 ppm, is traceable to NIST.
Ferrous Ammonium Sulfate-dilute Sulfuric Acid (1mL = 0.2mg Fe).
125mL, poly bottle.
Shipping: Corrosive Liquid, Inorganic, N.O.S. (Sulfuric Acid)/UN3264.
Note: All chemicals sold by Lab Safety Supply are sold for laboratory or industrial use only and are not intended for drug, food or household use. Chemicals can only be sold to businesses, not individuals. To find out more, call 1-800-356-0783.