Research Article
Experimental and Theoretical Study on the False Positive of Monomethyltin Determination in Toys Based on Gastric Juice Migration
Figure 1
(a) Extracted ion chromatogram of ion 193 and (b) mass spectrum at tR = 4.5 min. TEMT: triethylmethyltin and TPMT: tripropylmethyltin (internal standard).
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