Buffer, reference standard
SIGMA/B5020 - pH 4.00±0.01 (25 °C)
Synonym: pH calibration solution at 25 °C pH 4.00±0.01
MDL Number: MFCD00130682
Product Type: Equipment/Book
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| color | color-coded red |
| form | liquid |
| pH | 4.00±0.01 (25 °C) |
| Quality Level | 100  |
| storage temp. | 15-25°C |
| Analysis Note: | Standardized against N.I.S.T. standard reference materials. |
| Application: | The buffer reference standard was used in the calibration of a pH probe and pH meter in analytical procedures. |
| Features and Benefits: | • Traceable to NIST standard reference materials • A ready-to-use solution available in various packaging to provide ease-of-use |
| Packaging: | 500 mL in poly bottle |
| Packaging: | 500 mL size packaged in polyethylene bottle; 1 gal size in convenient shelf-top dispenser with spigot. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Storage Temp. | 15-25°C |
| UNSPSC | 12161700 |