Mrs. K: Sodium Tetrasulfate Is Highly Toxic, And Can Remove Your Skin.

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Mrs. K: Sodium tetrasulfate is highly toxic, and can remove your skin.
[pours into a beaker] Say when... [chuckles]
Martin: That will do. [Mrs. K stops pouring, and spills quite a bit]
Bart: What's this stuff for?
Martin: It's chiefly used in the manufacture of rayons, film, and
as a preservative in fast foods.
-- Chemistry class, "Principal Charming"

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