Hydrochloric acid

Hydrochloric acid (HCl) is a common acid both in the body and in the lab. It is, for example, a major component of gastric acid (pH 1-2, 0.5% HCl). In experiments, it is used among other things to set the pH in buffers (e.g. Tris) and to reveal antigens (e.g. BrdU).

See also

• Hydrochloric acid (Wikipedia)
• 1 normal acid or base (1N)
• Acid concentration chart
• Gly-HCl antigen retrieval buffer
• pH meter calibration w HCl & NaOH