“…2(a) shows that BiH 3 , MeBiH 2 , Me 2 BiH and TMB can be separated easily according to their boiling points (17, 72, 103 and 109°C). 26 It is not clear, however, why all four different bismuthines were generated. Whether dimethylbismuth, methylbismuth and inorganic bismuth were already in solution, or whether demethylation of TMB took place during the derivatization, cannot be answered yet.…”