Hanna pH 4.01 and 7.01 Calibration Buffer Sachets (20mL x 5 Each) - HI77400C

Hanna Instruments HI77400C pH 4.01 and 7.01 Calibration Buffer Sachet Set offers laboratory-grade calibration solutions for precise and reliable pH measurements. This set includes a total of 10 sachets, with 5 sachets each of pH 4.01 and pH 7.01 buffer solutions, each containing 20 mL. These buffers are traceable to NIST standards and supplied with a Certificate of Analysis, ensuring superior accuracy and reliability. Each light-blocking foil sachet is individually marked with a lot number and expiry date, and all buffers are formulated to ensure an accuracy of ±0.01 pH at 25℃. The temperature dependence of the buffer value is provided via a chart printed on each sachet, supporting calibration under varying conditions.

• Supplied with Certificate of Analysis meeting NIST requirements for lab-grade calibration.
• Accurate to ±0.01 pH at 25°C for precise meter calibration.
• Light-blocking foil packaging preserves buffer integrity until use.
• Long shelf life: unopened sachets expire 5 years from manufacture date.
• Temperature compensation chart on each sachet enables reliable calibration in diverse environments.
• Lot number and expiration date ensure traceability and quality control.

This set is widely used for water quality analysis, laboratory pH calibration, academic research, and industrial applications where reliable pH reference standards are critical. Package contains 5 sachets of pH 4.01 buffer and 5 of pH 7.01 buffer, each with 20 mL of solution. Explore more laboratory calibration solutions from Hanna Instruments and the pH Calibration Buffer category on EnvMart.