, decay series. The series of isotopes that some radioactive elements change into as they undergo radioactive disintegration. The last element in the series is often a stable element (i.e., it is nonradioactive).
Making the world better, one answer at a time. Celexa has a 36 hour half life...meaning it will take 36 hours for 50% of the drug to leave your system and another 36 hours for it to be fully out of your system.Read more at the Related Link.f you were to smok â¦ e marijuana every day for a month, it would take approximately one month for the THC to get out of your system. On the flip side, if you only smoked a few times and quit, it take around two weeks or so.
Q: how long does it take 20mg xL adderall to get out of your system? A: It takes Adderall XR 20 mg about 3 days to get out of your system. If you take it for extended period of time, then it will probably take a little longer.On a drug test it would show up as amphetamine--controlled substance if you failed it.mphetamines, like Adderal, are detectable in the urine 1-4 days after a single use and longer after regular use. ChaCha on. [ Source: http://www.chacha.com/question/how-long-does-it-take-for-adderal-to-get-out-of-your-system ].