STEFAN DILLER / SCIENCE PHOTO LIBRARY STEFAN DILLER / SCIENCE PHOTO LIBRARY
Sodium bicarbonate. Coloured scanning electron micrograph (SEM) of crystals of sodium bicarbonate (or sodium hydrogen carbonate, chemical formula NaHCO3). Sodium bicarbonate is a white solid commonly used in baking powder. It may also be used as a neutralising antacid to treat stomach and digestive disorders, and in cases of sodium deficiency. Magnification: x370 when printed 10 centimetres wide.
Model release not required. Property release not required.