GroLine pH 7.01 Calibration Buffer (500 mL)

The HI7007-050 is a high-precision pH 7.01 buffer solution, NIST-traceable and supplied with a Certificate of Analysis for lab-grade confidence. Crafted under rigorous ISO standards using ultra-pure ingredients, it ensures accurate calibration within ±0.02 pH at 25 °C. The bottle features tamper-proof, airtight packaging with clearly printed lot and expiration details to ensure traceability. A handy temperature compensation chart is included directly on the label, while the dye-free, color-coded solution avoids staining electrodes. With a long shelf life—up to five years unopened—it’s a reliable choice for both lab and field calibration. Key Features High accuracy: ±0.02 pH at 25 °C Traceable quality: NIST-referenced with Certificate of Analysis User-friendly: Includes temperature compensation chart and color-coded, dye-free formula Secure packaging: Airtight, tamper-resistant bottle with lot and expiration labeling Long-term reliability: Up to 5-year shelf life when unopened