I heard of As, but did not know much about this industrial tl

I heard of As, but did not know much about this industrial tl

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送交者: whatistruth 于 2013-05-07, 13:37:01:

回答: Really? Thallium was used as rodenticide and ant killer 由 steven 于 2013-05-07, 13:31:38:

maybe it's part of reason why it's not highly regulated in lab.