Hanna pH 4.01 Calibration Buffer (25 x 20 mL) Sachets with certificate of analysis - HI70004C

HI70004C pH 4.01 Calibration Buffer Sachets are premium, single-use buffer solutions designed for the accurate calibration of laboratory and industrial pH meters. Each pack contains 25 sachets, with each sachet holding 20 mL of precise pH 4.01 buffer, NIST traceable and supplied with an individual Certificate of Analysis. These buffer sachets are specifically formulated for laboratory, R&D, QC, academic, and industrial environments where reproducibility and traceability are critical.

With an accuracy of ±0.01 pH at 25°C, the solution ensures confidence in calibration routines. The buffer is securely packaged in light-blocking foil-wrapped sachets, each stamped with its lot number and expiration date. The temperature/pH correlation chart on every sachet provides easy reference for calibration at varying conditions. Unopened sachets have a shelf life of up to 5 years, making them ideal for periodic use.

• Contains 25 x 20 mL single-use sachets.
• Certified NIST traceable, with Certificate of Analysis.
• Lot number and expiration date on each sachet to ensure traceability.
• ±0.01 pH precision at 25°C allows for high-accuracy calibration.
• Foil-wrapped for maximum solution protection and chemical stability.
• Temperature dependence chart is printed on each sachet for accurate calibration.
• 5-year shelf life (unopened) supports long-term storage plans in laboratories.

This calibration buffer is an essential supply for laboratories, manufacturing, water treatment plants, and industrial QC protocols requiring rigorous pH control. Browse more calibration solutions and laboratory consumables on EnvMart.