Absorbance values are converted to amounts of chitin using acid-solubilized chitin as a standard.

The first was a small, chubby, bald man wearing a suit: Carl Clauberg, a doctor who performed sterilization experiments on women, using acid.

The bomb has inspired entire art movements such as the auto-destructive art of Gustav Metzger, using acid to corrode in the act of creation.

Cutting, burning, using acid to burn the skin, even one patient who purposely put a screw in her leg and let it get infected.