Category : Home/FamilyOakton (WD-35653-04) pH Pouches Assortment 20-BoxPrice: USD68.63 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.SpecificationsIdeal 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)Other products from IsoPure Water |