A Review Of adderall xr to vyvanse equivalence
With ordinary urine pHs, roughly half of an administered dose of amphetamine is recoverable in urine as derivatives of alpha-hydroxy-amphetamine and about A further 30-forty% on the dose is recoverable in urine as amphetamine by itself. Given that amphetamine has a pKa of 9.nine, urinary recovery of amphetamine is highly dependent on pH and urine c