GroLine pH 4.01 Calibration Buffer (120 mL)

Other than its name, the Hanna Instruments HI7004-012 GroLine pH 4.01 Calibration Buffer may not seem like an exciting purchase, but it is an essential item for those who work with pH meters. This 120ml bottle of pH 4.01 buffer is NIST traceable and comes with a Certificate of Analysis to ensure high quality.

Hanna Instruments takes pride in the quality of their calibration buffers and makes sure to mark each bottle with the expiration date and lot number. Additionally, the tamper-proof seal ensures the integrity of the solution until it is opened and ready for use. This means that each bottle of the HI7004-012 buffer is guaranteed to last five years from the date of manufacture, making it a cost-effective investment for professionals who use pH meters on a regular basis.

When it comes to accuracy, the HI7004-012 buffer has a +/- 0.02 pH accuracy at 25°C, ensuring that any measurements taken with the buffer are precise and reliable. Furthermore, the temperature chart printed on each bottle provides users with the pH value at various temperatures.

In conclusion, if you’re in need of a high-quality pH 4.01 calibration buffer, the Hanna Instruments HI7004-012 GroLine pH 4.01 Calibration Buffer is the perfect option. With its NIST traceability, Certificate of Analysis, tamper-proof seal, and +/- 0.02 pH accuracy, this buffer is a must-have for anyone who requires reliable pH measurements.