Hanna HI5004-R08 pH 4.01 25°C Red Technical 3.78 L

Hanna HI5004-R08 pH 4.01 25°C Red Technical 3.78 L

The Hanna HI5004-R08 pH 4.01 25°C Red Technical 3.78 L contains two 1-gallon (3.78 L) bottles of premium pH 4.01 red technical buffer solution, ideal for laboratories and industries needing large quantities of reliable calibration fluid. This solution is NIST-traceable and supplied with a Certificate of Analysis, ensuring accuracy and consistency in every use.

Key Features

NIST Traceable & High Stability

This buffer is formulated according to NIST standards, offering ±0.01 pH accuracy at 25°C. It represents the midpoint of the acidic pH range, making it one of the most used calibration points across various industries.

Color-Coded for Easy Identification

The red color-coded solution prevents confusion during multi-point calibrations. Its large packaging supports frequent lab use while reducing waste.

Designed for Long-Term Use

Each bottle comes in an airtight, tamper-evident container that protects the solution from CO₂ contamination and maintains buffer integrity over time.

Technical Specifications

Application Areas

This technical buffer solution is commonly used in:

• Water treatment plants

• Food and beverage quality control

• Environmental testing labs

• Industrial pH monitoring processes

Its acidic pH level makes it ideal for any environment where precision and stability are essential.

Storage and Maintenance Tips

• Keep the buffer solution in a cool (25°C), shaded area.

• Use clean and dry instruments to avoid contamination.

• Pair with Hanna’s cleaning and maintenance solutions to extend electrode life and ensure consistent calibration results.

Complete Calibration Support

This solution is part of Hanna’s extensive line of calibration and maintenance products, including:

• pH and ORP buffer solutions

• Conductivity and TDS standards

• Cleaning and storage solutions

• ISE and ORP calibration kits

Solutions are available in 20 mL sachets, 500 mL, 1 Litre, and 1 Gallon (3.78 L) formats.