✍ Scribed by R. Cipollini; G. Stöcklin
No coin nor oath required. For personal study only.
Recoil labeling of methylamine via the 6Li(n,ol) T-reaction, using solutions of LiBr in liquid anhydrous methylamine, leads to a 10% radiochemical yield of methylamine-CH, T. The yield is independent of the accompanying radiation dose within a wide range, thus allowing high-dose pile irradiation. Specific activities up to 100 pC/mM can easily be obtained. For comparison Wilzbach labeling of gaseous methylamine has also been studied. Here. in contrast, poor tritium incorporation is observed, the L-value for methylamine-CH,T being 2.3 x 10-',
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## Bis-(2-~hloroethy1-1,2-~H)methylamine hydrochloride was prepared, The starting product was a ~e t y l e n e -l , 2 -~H which was selectively hydrogenated to ethylene-1 ,2-3H. It was observed that on reduction with chromium ( I I ) chloride solution in dilute hydrochloric acid the isotopic exchang