ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Polarised light micrograph of crystals of tartaric acid. Tartaric acid is used in baking powders & as a food additive. It can be obtained from tartar (potassium hydrogen tartrate) deposits in wine vats. Magnification: x26.
Model release not required. Property release not required.