HI7004-023 is a 230 mL bottle of high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis.
Hanna calibration buffers have the lot number and expiry date clearly marked on the label. All bottles are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiry of 2 years from the date of manufacture for an unopened bottle.
Key Features
- Specially formulated to have an expiry date of 2 years from manufacture for an unopened bottle
- Accuracy of ±0.02 pH @ 25°C
- Supplied with a Certificate of Analysis
- Temperature chart of the actual pH value at various temperatures printed on each bottle
Hanna recommends using HI7061-023 Groline General Purpose Cleaning Solution alongside this product.
Specifications:
| Accuracy | ±0.02 pH | |
| pH Value @25°C | 4.01 | |
| Package | bottles | |
| Size | 230 ml | |
| Quantity | 1 | |
| Certificate of Analysis | yes |
