Progressive Scientifics

Reagecon pH 4 Buffer Solution is a high-purity, ready-to-use liquid buffer designed for the precise calibration and standardization of pH meters and electrodes. Formulated to maintain a stable pH of 4.00 ± 0.02 at 25°C, it ensures accurate and reliable pH measurements in laboratory and industrial applications.

• pH Value: 4.00 ± 0.02 (at 25°C)

• Form: Ready-to-use liquid solution

Key Features:

• High Accuracy: Manufactured under stringent quality controls to ensure consistent and reproducible Ph values.

• Stable Composition: Resists contamination and degradation, maintaining Ph stability over time.

• Traceable Standards: Complies with international standards such as ISO 3104 and ASTM E70 for buffer solutions.

• Convenient: Ready for immediate use without dilution or preparation.

Reagecon Conductivity Standards are high-precision calibration solutions designed for accurate conductivity measurement across a wide range of applications. These standards are particularly suitable for use with conductivity meters and are traceable to NIST (National Institute of Standards and Technology) for guaranteed accuracy.

• Traceability and Certification: Each batch is traceable to NIST standards and comes with an ISO 17025-accredited Certificate of Analysis, detailing the exact measured value, uncertainty, and test method used .

• High Accuracy: Conductivity values are accurate to ±1% at 25°C, ensuring reliable calibration and control in laboratory settings 

• Aqueous and Non-Hazardous: The standards are water-based, eliminating matrix mismatch errors and reducing health, safety, and environmental concerns .