Sigma Aldrich Phosphate Buffered Saline Tablet, pH 7.2-7.6 (1 tablet/200mL), White, 50 Pieces/Bottle

Phosphate-buffered saline (PBS) is a commonly used buffer solution in biological research that is appreciated for its basic characteristics and adaptability. Its isotonicity, which closely resembles the pH, osmolarity, and ion concentrations of the human body, is noteworthy because it prevents cell toxicity.