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HI7004M is a premium quality pH 4.01 calibration solution. Hanna's line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
HI7004M is a premium quality pH 4.01 calibration solution. Hanna's line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
Produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +/- 0.01 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).
Features
| Accuracy | Standard ±0.01 pH |
| pH Value @25°C | 4.01 |
| Package | bottles |
| Size | 230 mL |
| Quantity | 1 |
| Certificate of Analysis | No |
| Accuracy | Standard ±0.01 pH |
| pH Value @25°C | 4.01 |
| Package | bottles |
| Size | 230 mL |
| Quantity | 1 |
| Certificate of Analysis | No |
