It is used as a wash buffer in biomolecular analyses such as Western blot, ELISA and immunohistochemistry (IHC). The 20X concentrated form provides an economical and long-lasting solution by diluting before use.

It is a buffer solution used to teach protein analysis methods (Western blot, ELISA, etc.) to students in molecular biology, biochemistry and immunology laboratories. Its concentrated form provides convenience in laboratory training.