A Chromatographic Tank & Developing Chamber is laboratory equipment used in chromatography, which is a technique used to separate and analyze mixtures of chemicals. The tank is used to hold a liquid solution that contains the mixture to be separated.

The solution is then passed through a column filled with a stationary phase, such as a solid adsorbent or a liquid, which separates the components of the mixture based on their physical and chemical properties.

The chromatographic tank provides a container for the solution and controls the flow rate and pressure during the separation process. Chromatographic tanks come in various sizes and materials, including glass or plastic, and are commonly used in chemical, pharmaceutical, and environmental analysis.