ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Lead iodide precipitate (yellow), the product of a reaction between lead nitrate and potassium iodide (both colourless liquids, right). The precipitate forms because it is insoluble in water. Potassium iodide is commonly used to test for lead.
Model release not required. Property release not required.