Pack of 15 sachets of pH 4.00/6.86/9.18 buffer solution – Accuracy ±0.01 pH – For pH meter calibration – Moisture resistant

General Description

The pH tester calibration powder solution offers high accuracy of ±0.01 pH, ideal for calibrating most pH meters. Each sachet is carefully sealed to ensure optimal quality and resistance to moisture.

Technical Specifications Accuracy: ±0.01 pH at 25°C (77°F) Pack of 15: 5 sachets of pH 4.00, 5 sachets of pH 6.86, 5 sachets of pH 9.18 Compatibility and Accessories

Compatible with most pH meters.

Installation Empty the powder completely into a dry glass container. Add 250 mL of deionized (or distilled) water to the beaker. Stir until the powder is completely dissolved. Immerse the pH meter in the solution, stir gently, and wait a few seconds for the result.

Use the solution to calibrate your pH meter. Caution: the solution is not potable.

The pH meter must be recalibrated in the following cases:

Prolonged inactivity (more than 3-4 weeks). Frequent use. Unstable pH meter reading. After testing with strong acids. High accuracy requirements.