The HI70009P is a premium quality pH 7.01 calibration buffer manufactured using high purity salts, deionised water, certified weight-checked balances, and Class A glassware in a temperature-controlled environment. Each sachet delivers reliable performance with an accuracy of ±0.01 pH at 25°C and is traceable to NIST Standard Reference Materials for dependable calibration results.

Individually sealed sachets make this solution ideal for occasional calibration, on-site testing, and field applications where portability and freshness are important. The light-block foil packaging helps protect the buffer from UV exposure, while each sachet is clearly marked with a lot number and expiry date for full traceability. Hanna calibration buffers are formulated to provide a shelf life of 5 years from manufacture when unopened.

• Individual sachets for convenience and portability
• Accuracy of ±0.01 pH at 25°C
• Light-block packaging helps maintain buffer stability
• Lot number and expiry date printed on every sachet
• Colour coded label for easy buffer identification
• Dye-free formulation that will not stain the electrode reference cell