Cations Std. Level 5

N-Acetyl-S-(carbamoylethyl-d4)-L-cysteine , 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81690-92-8 (unlabelled compound)

Sulfamonomethoxine, 100 µg/ml, Methanol, 1ml

Mercury (Hg)