Page 4. Beta decay is a radioactive process in which an electron is emitted from the nucleus of a radioactive atom, along with an unusual particle called an antineutrino.The neutrino is an almost massless particle that carries away some of the energy from the decay process.age 4. Beta decay is a radioactive process in which an electron is emitted from the nucleus of a radioactive atom, along with an unusual particle called an antineutrino.
There is also a 12-hour extended-release form of pseudoephedrine; it should also start working within half an hour of taking your first dose, but will last much longer. Because it can last up to 12 hours, remember that you should not take more than two tablets in a 24-hour period.
Special Notes For The Methadone Hair Drug Test: The benchmark drug detecÂ­tion time for the methadone hair drug test is 90 days. Sometimes a longer hair sample is taken, which can result in a 120 day detection time. This is rare, but you can never count it out.