Ideal for laboratory and field analysis
- pH buffers are traceable to NIST standard reference materials
- Buffer solution lets you calibrate pH instruments to ensure accuracy
- If unopened, shelf life is 2 years
- pH Buffer Solutions have pH/temperature tables printed on the labels for accurate calibrations (not on 60-mL, but included as insert)
- Manufactured under ISO 9000 quality guidelines
- If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days
Packaging: Plastic bottles.
Caution: Store buffers away from direct sunlight.