抄録
Inductively coupled plasma mass spectrometry (ICP/MS) was applied to analysis of organotin compounds after separation by micellar liquid chromatography (MLC). Chlorides of dimethyltin (DMT), trimethyltin (TMT), dibutyltin (DBT), tributyltin (TBT), diphenyltin (DPT), triphenyltin (TPT) were separated within 20 minutes by using tris(hydroxymethyl) aminomethane lauryl sulfate as a mobile phase and butyl group bonded silica gel as a stationary phase. Subsequently eluates were directly introduced into ICP/MS and detected at m/z=120. Detection limits for six organotin compounds were from 24 to 51 pg as Sn element. The dynamic range was over 104, from 1 μg/l to 10 mg/l. The repeatability was better than 3% of the relative standard deviation (RSD) for all organotin compounds.
