Loubelle I. Depita, a 17 year old female from Koronadal City, South Cotabato, Philippines asks on January 28, 2004,Why does Nitric Acid stain the human skin yellow?
viewed 13576 times
Nitric acid causes nitration of organic phenyl groups naturally present in skin proteins. Nitrated phenyl groups tend to be yellow or brown in color.
Note: All submissions are moderated prior to posting.
If you found this answer useful, please consider making a small donation to science.ca.