GroLine pH 4.01 Calibration Buffer (500 mL) - HI7004-050
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HI7004-050 is a 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 expiration date clearly marked on the label and 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 expiration of 5 years from the date of manufacture for an unopened bottle.
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Supplied with Certificate of Analysis
- Accuracy of ±0.02 pH @ 25℃
- Temperature chart of the actual pH value at various temperatures printed on each bottle
HI7004-050 is a high quality pH 4.01 calibration buffer 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 ±0.02 pH @ 25℃ and are traceable to NIST Standard Reference Materials (SRMs). Solution does not contain any dyes that may stain the reference cell of a pH electrode.
The HI7004-050 Certificate of Analysis includes:
- Product code
- Lot number
- Mean lot value
- SRMs that were used
- Manufacturing date
- Expiration date
| SKU | HI7004/1L |
| Name | HI7004/1L pH 4.01 Calibration Solution (1 L) |
| Description | standard calibration buffer, dyed |
| Certificate of Analysis | no |
| pH Accuracy | ±0.01 pH |
| pH Value @ 25°C | 4.01 |
| Package | bottle |
| Quantity | 1 |
| Size | 1 L |
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