The Oakton Traceable pH Standard Buffer pH 4 is a NIST-traceable calibration solution provided in a 500 mL bottle. This red-colored buffer ensures accurate and reliable pH meter calibration with traceability to national standards. Ideal for laboratory and field calibration requiring certified precision.
Product Features
- NIST-traceable certification guaranteeing reliable and compliant calibration
- pH 4.00 ±0.01 accuracy at 25 °C for precise calibration
- Red buffer color for easy identification and prevention of cross-contamination
- 500 mL bottle size suitable for routine calibration needs
- Meets ISO 17025 and ISO Guide 34 standards for reference materials
- Secure packaging maintaining solution integrity
- NIST-traceable reference materials include a calibration report from an ISO Guide 34 and ISO 17025 accredited laboratory
- Color-coded and colorless buffers available
- Oakton pH buffers are compared against and are traceable to NIST Standard Reference Materials
- Each bottle includes a NIST-traceable calibration report supplied by the manufacturer
- Available in 500-mL, 1-L, or 4-L packaging sizes; additional values and packaging sizes available
- Store at room temperature
Benefits
- Ensures traceability and confidence in calibration results
- Convenient 500 mL volume reduces waste and downtime
- Easy handling with clear labeling and color coding
- Stable buffer formulation for consistent calibration performance
- Trusted quality from Oakton, a leader in laboratory supplies
Why Choose the Oakton Traceable pH Standard Buffer?
Designed for professionals requiring certified, accurate calibration, the Oakton Traceable pH Standard Buffer pH 4 in 500 mL delivers dependable performance for both lab and field use.
