Internal standard

(R)-(-)-Amphetamine hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 41820-21-7

ICP-MS Interference Check Solution A

CPI (1) Control Standard 1 Isooctane solutions S-4025 (mg/mL) S-4026 (mg/mL) S-4027 (mg/mL) C22 1.0 1.0 1.0 C23 0.9 1.0 1.1 C24 0.8