| Oakton (WD-35653-04) pH Pouches Assortment 20/Box |
 Standardized against NIST standards, premixed, and ready to use. Pouch contains assorted pH water used as a calibration solution. "Singles" are convenient for high-precision calibration on-the-go. All Oakton pH buffer solutions are freshness dated, and standardized against NIST-certified references to ensure quality. �0.01 pH at 25�C. Specifications Ideal for field calibration. NIST traceable materials. �1% accuracy at 25�C. Quantity: 20 pouches (5 each of 4.01, 7.00, 10.00 and rinse water) Price: 48.20 |