Ensure your pH meter is always calibrated to perfection with our high-quality Buffer Solution, pH 4.01, conveniently packaged in a 500mL bottle. Designed specifically for standardization, this reliable buffer solution is colour-coded red for quick identification, allowing for effortless use in any laboratory setting. With a precise pH measurement of ± 0.02 at 25°C, you can trust that your results will be accurate and consistent. Ideal for various applications, this buffer is a must-have for professionals who demand accuracy and reliability in their work.

Key Features:
• Precision pH measurement of ± 0.02 at 25°C
• Convenient 500mL bottle for extended use
• Colour-coded red for easy identification
• Perfect for pH meter standardization
• Suitable for a wide range of laboratory applications
• Ensures reliable and consistent results