Oakton 35653-04 pH Calibration Buffer Pouchs, Assorted - 20 pcs.

Buffers are traceable and offer ±0.01 accuracy at 77 °F (25 °C). Pack of 20 pouches. Five pouches each of pH 4, 7, and 10 buffers and rinse solution. All Oakton pH buffer solutions are manufactured under ISO 9000 quality guidelines and traceable to NIST standard (for meters with 0.01 resolution). A pH/temperature table is printed on the label for accurate calibrations.

Features:

• Single-use pouch-just tear, dip, calibrate
• Standardized to NIST-traceable pH references
• Pack contains 20 pouches
• Contain buffer pouches 4, 7, and 10 - Most commonly used for three-point calibration

Includes: five pouches each of pH 4, 7, and 10 buffers and rinse solution.