For years U.S. chemical journals have discussed the violent and unpredictable explosive qualities of perchloric acid.* But 42-year-old Robert O’Connor did not read chemical journals. As ...

with a technology that dramatically reduces the sample digestion time and reduces the need for dangerous materials such as perchloric acid or lead. “It’s a significant improvement in terms of ...

Glycolic acid is a substance that chemically exfoliates a person’s skin by dissolving dead skin cells and oils. Glycolic acid may also help boost collagen production, and support skin moisture.