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Buffer Solution, pH 4.005, Chem-Lab
Designed for pH measurement and maintenance. Buffer Solution, pH 4.005, Chem-Lab is a solution of 10.13g potassium hydrogen phthalate per 1L water, with a pH level of 4.005 ±0.01 at 25°C. NIST traceable solution is manufactured according to Eur. Ph. 4(2.2.3) standards.
Brand: Chem Lab CL07.0204.0500
This item is not returnable.
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Description
pH Levels ± 0.01:- 0°C—pH 4.005
- 5°C—pH 4.003
- 10°C—pH 4.001
- 15°C—pH 4.002
- 20°C—pH 4.003
- 25°C—pH 4.005
- 30°C—pH 4.010
- 35°C—pH 4.020
- 37°C—pH 4.025
- 40°C—pH 4.033
- 45°C—pH 4.047
- 50°C—pH 4.061
Specifications
| Potassium hydrogen phthalate | |
| 0°C | |
| Laboratory use | |
| Liquid | |
| Buffer | |
| C8H5KO4 | |
| Yes (SRM - 185g) | |
| 201.23 |
| 877-24-7, 7732-18-5 | |
| 100°C | |
| 4.005 ±0.01 | |
| 500 mL | |
| 10.13g C8H5KO4 per 1L H2O | |
| Odorless | |
| Soluble in water |
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