This option includes pH 4.00, pH 7.00 and pH 10.01. Please select the appropriate pH calibration solution for calibration according to the pH value of the sample.
High Precision pH Buffer Calibration Solution Kit with Stable Ingredients:Reports values with an accuracy of +/- 0.01 pH at 25°C. You can use the GIDIGI pH meter for a longer period of time and get an accurate pH buffer calibration solution.It does not evaporate easily after opening, ensuring accurate readings. Notes: The solution is valid for 1.5 years after opening, 3 years if unopened
Large Capacity: Each pH solution bottle contains 250ml, suitable for long-term use with all pH meters and ideal for pharmaceutical, academic, research and industrial laboratories. The bottle mouth is sealed with a thick foam pad and an easy-to-tear gasket, providing double-layer protection to prevent liquid leakage
About the GIDIGI pH Calibration:7.0 is always the first calibration point,for neutral sample, calibrate 7.0 is ok,for acidic sample, calibrate 7.0-4.0 point,for alkaline sample, calibrate 7.0-10.0 point,unknown properties of the sample, calibrate 7.0-4.0-10.0 three points
Color-Coded for Easy Identification: pH 4 is pink,pH 7 is green,pH 10 is blue. In the laboratory, it is used to calibrate pH meters to ensure the accuracy of experimental results; In industrial production, it is used to monitor and control the pH in the production process; In environmental monitoring, it is used to assess the pH and pollution degree of water; In food testing, it is used to detect the pH and safety of food.