File:Barium sulfate colloid from magnet solution.JPG

Summary

Description
English: This solution of a magnet in hydrochloric acid made a colloid when reacted with magnesium sulfate, showing that common black magnets contain minute amounts of toxic barium compounds.
Source Own work
Author Chemicalinterest

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Category:Self-published work#Barium%20sulfate%20colloid%20from%20magnet%20solution.JPGCategory:PD-self#Barium%20sulfate%20colloid%20from%20magnet%20solution.JPG Category:Barium sulfate Category:Magnets Category:Taken with Fujifilm FinePix S5100
Category:Barium sulfate Category:Magnets Category:PD-self Category:Self-published work Category:Taken with Fujifilm FinePix S5100