With usual urine pHs, somewhere around half of the administered dose of amphetamine is recoverable in urine as derivatives of alpha-hydroxy-amphetamine and about An additional 30-40% with the dose is recoverable in urine as amphetamine by itself. Given that amphetamine has a pKa of 9.nine, urinary recovery of amphetamine is https://atecab267qme5.mycoolwiki.com/user