Buffer solution, pH7 3.78 L

HI7007/1G is a premium-quality pH 7.01 calibration solution that is dyed green for easy buffer identification. Hanna calibration buffers have the lot number and expiration date clearly marked on the label. Each bottle is airtight and features a tamper-proof seal to help ensure the quality and integrity of the solution. Hanna’s line of calibration buffers is specially formulated to have a shelf life of 5 years from the date of manufacture when unopened.

• Accuracy of ±0.01 pH at 25 °C
• Temperature chart showing the actual pH value at various temperatures printed on each bottle
• Airtight Seal