HORIBA pH 9.18 Buffer Solution 500 mL (500‑9)

HORIBA pH 9.18 Buffer Solution 500 mL (500‑9)

The Horiba pH 9.18 Buffer Solution 500 mL (Model 500-9) delivers a stable and ready-to-use pH calibration standard at pH 9.18 ± 0.02 at 25 °C, formulated to help users perform accurate and reliable pH meter calibration in the alkaline range. This solution serves as a known reference point when adjusting or verifying pH measurement instruments in laboratories, industrial quality control environments, and field applications.

Horiba prepares this buffer solution to reduce calibration variability by offering a consistent pH standard. Because the solution comes ready to use straight from the bottle, users save preparation time and reduce the potential for error during calibration procedures. The 500 mL bottle provides sufficient volume for multiple calibration cycles.

Professionals use this buffer solution for routine pH meter calibration to help maintain measurement accuracy and reproducibility across various sample conditions. It suits benchtop, handheld, and portable pH meters commonly used in water quality testing, research labs, industrial monitoring, and educational environments.

Key Features

• Standard pH 9.18 buffer solution calibrated at 25 °C ± 0.02

• Ready to use — no dilution or preparation required

• Supports alkaline range pH meter calibration

• Helps ensure accurate, consistent, and reproducible measurements

• Packaged in a 500 mL bottle for convenient handling

• Suitable for laboratory, industrial, and field pH calibration tasks

Technical Specifications

• Product type: pH buffer solution

• pH value: 9.18 ± 0.02 at 25 °C

• Volume: 500 mL

• Model code: 500-9

• Formulation: Ready-to-use calibration standard

Applications

• Calibration of pH meters in the alkaline range

• Routine instrument verification and quality control

• Environmental and water quality monitoring

• Laboratory research and educational use

• Industrial pH measurement calibration