Save over 25% on pack compared to ordering separately
- All Oakton pH buffers are traceable to NIST standard reference materials
- Buffer solutions help you calibrate pH instruments to ensure accuracy
- If unopened, shelf life is 2 years
• Oakton® pH Buffer Bottles have pH/temperature tables printed on the labels for accurate calibrations
• Manufactured under ISO 9000 quality guidelines and traceable to NIST standards
• If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days
• Store buffers away from direct sunlight.