Oakton 05942-11 Buffer Pack, 10 x 500 mL of Each, pH 4.01, 7.00, and 10.01

Environmental Express 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.

Color coded for quick visual reference:

• pH 4.01 buffer in red
• pH 7.00 buffer in yellow
• pH 10.01 buffer in blue

Features:

• Color coded for easy identification in busy labs
• Pack counts to meet a variety of testing schedules
• Cleaning and storage solutions available to ensure better accuracy and stability
• 30-pack bundle of the most common "USA" pH calibration buffers
• 2 year warranty

Includes: Ten, 500-mL plastic bottles of each pH solution: 4.01, 7.00, and 10.01 - Thirty bottles total.