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515 N FAIRVIEW ST.SANTA ANA, CA 92703
TOLL FREE: 877-541-6603
Availability: Ships within 24-72 hours
Standardized against NIST standards, premixed, and ready to use. Pouch contains 4.01 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