Formaldehyde-DNPH Level 1 (0.1ug/mL)

Methylparaben, 100 µg/ml, Acetonitrile, 5ml

Europium (Eu)

(+/-)Atenolol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7