Hanna's line of pH calibration solutions is an easy way to get excellent pH measurements every time.Properties:One of the most used buffer solutions.It is extremely stable and represents the middle point in the acidic range of the pH scale.Ideal for those requiring an accurate acid reading, particularly those where the pH is expected to be acidic.Airtight bottle with quality security seal.Technical data:Standard Accuracy ± 0.01 pHpH value at 25°C 4.01Presentation:25 20-ml sachets
