selective focus of magnesium sulfate or epsom salt chemical compound bottle beside a petri dish with white crystalline powder.

analysis background beaker beside bottle chemical chemistry compound container copy crystalline crystals dish drug epsom experiment fertilizer flask focus food heptahydrate hydrate industrial industry ingredient inorganic jar lab label labeled laboratory magnesium medical medication medicine mgso4 petri pharmaceutical powder product pure reagent research salt science scientific selective solid space study substance sulfate sulphate white