Standard pH 11 buffer solution used primarily in laboratories to calibrate pH meters and ensure accurate pH measurements at around pH 11. It helps maintain a stable pH level during experiments, which is crucial for consistent and reliable results. Commonly applied in various fields such as environmental testing, pharmaceuticals, food and beverage production, and biological research. It ensures quality control and compliance with regulatory standards in manufacturing processes. Also used in educational settings for teaching and training purposes to demonstrate pH measurement techniques.