EPA Method 551Mix “A”

Metoprolol acid, 25mg

Tin Chlorides Kit I (neat, 1983.4, 1982.8, 1981.12, 1987.6, 1986.12, 1985.18, 2487.8, 2488.16, 2695.24, 2489.18, includes all tin chloride analytes), , Solvent-, Unit Kit, # of units-, Cas.no.

Benzyl salisylate-d4 (Benzyl 2-hydroxybenzoate-3,4,5,6-d4), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 118-58-1 of unlab.