| Chemical Name or Material | pH Buffer, bottles |
|---|---|
| Color | Yellow |
| Description | Orion pH 7.00 buffer, color-coded yellow, 475mL bottle |
| Formulation | Water, Dibasic, Potassium Dihydrogen Phosphate, 5-Bromo-5-Nitro-1,3-Dioxane, FD & C Yellow #5, Sodium Phosphate |
| Packaging | Bottle |
| Traceability to NIST | Yes |
| For Use With (Application) | Accurate pH calibrations and NIST traceability, laboratory and bench analysis |
| For Use With (Equipment) | pH Meter and Electrode |
| Physical Form | Liquid |
| Quantity | 475 mL |
| Solution Type | pH Buffer |
| pH | 7.00 ± 0.01 pH |
| Unit Size | Each |
Answer:The buffer is pH 7.00.
Answer:The bottle contains 475 mL.
Answer:The pH 7.00 buffer is color coded yellow.
Orion™ pH 7.00 Buffer is a ready-to-use neutral calibration standard for pH measurement systems. This configuration contains 475 mL and is color coded yellow for easy identification. The nominal value is pH 7.00 with a stated tolerance of approximately ±0.01 pH, and the solution is NIST traceable. Neutral pH buffer is commonly used as the central calibration point in two- and three-point electrode calibrations and is appropriate for checking slope and offset behavior around neutral conditions. The 475 mL bottle supports repeated laboratory and bench calibration work. To maintain reference quality, pour the required amount into a clean container and avoid placing a used electrode directly into the stock bottle when contamination control is important.
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