Horiba pH Buffer Standard Solution pH 6.86 @ 25 °C 500 mL

Horiba pH Buffer Standard Solution – pH 6.86 @ 25 °C, 500 mL (500-686)

The Horiba pH 6.86 Buffer Solution (Model 500-686) provides a ready-to-use calibration standard with a stable pH value of 6.86 ± 0.02 at 25 °C, formulated to help users calibrate and verify pH meters accurately for neutral range measurements. This solution serves as a reliable reference point between acidic and alkaline buffer standards, making it a core calibration solution in many analytical workflows.

Horiba prepares this buffer solution to support consistent and reproducible pH calibration for benchtop, handheld, and portable pH meters. Analysts and technicians can use it to adjust instruments quickly and confidently, helping ensure accurate meter performance in laboratory, industrial, environmental, and educational settings.

The bottle contains 500 mL of ready-to-use buffer solution, eliminating the need for mixing or preparation. This convenience minimizes user error and saves time during routine calibration procedures.

Key Features

• Standard pH 6.86 buffer solution calibrated at 25 °C ± 0.02

• Ready to use — no dilution or preparation required

• Supports neutral range pH meter calibration

• Helps ensure accurate, consistent, and reproducible pH measurements

• Packaged in a 500 mL bottle for convenient handling

• Suitable for laboratory, industrial, and field calibration tasks

Technical Specifications

• Product type: pH buffer solution

• pH value: 6.86 ± 0.02 at 25 °C

• Volume: 500 mL

• Model code: 500-686

• Formulation: Ready-to-use calibration standard

Applications

• Calibration of pH meters in the neutral range

• Routine instrument verification and quality control

• Environmental and water quality monitoring

• Laboratory research and educational use

• Industrial measurement calibration