Description
6.86 pH 500 mL Calibration Buffer
Oakton® buffers for meters with 0.01 resolution are standardized against NIST-traceable pH references within 0.01 pH at 77°F (25°C). Store buffers away from direct sunlight. Sold in individual bottles; 500-mL bottles are also available in cases of 12, 4-L(1-gal) bottles in cases of four.