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.

Usage

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.