pH Buffer Standard Solutions Choose from economical solution bottles or individually sealed pH buffer pouches. Features NIST traceable materials Labeled with pH vs. temperature tables for accurate calibration All Oakton pH buffer solutions are freshness dated, and standardized against NIST-traceable references to ensure quality. ±0.01 pH at 25°C. Oakton pH Buffer Solution Bottles are labeled with the name and CAS number for all ingredients (for "Right-to-Know" requirements), and are supplied with an MSDS. Oakton Pouches are convenient, air-tight pouches with high-precision calibration standards. Ideal for field use- take them to your test site for on-the-spot calibration. Each box contains twenty 20mL pouches. 5 each of pH 4.01, 7.00, 10.00 & rinse water pouches. Specifications: Mfr. No. WD-05942-10 pH Buffer Pack: 500mL bottle each of 4.01, 7.00 & 10.00 standards Mfr. No. WD-35653-04 pH Pouch Assortment: Each box contains twenty 20mL pouches. 5 each of pH 4.01, 7.00, 10.00 & rinse water pouches.
