PH-P4 is a quality pH 4.0 calibration buffer solution produced with high quality salts and deionized water. The solution is accurate +/- 0.02 @ 25 C and are traceable to NIST standards
20 pks included
For additional instructions, consult the meter's user guide.
PH 4 Buffer Solution
SKU: PH-P4
C$31.75Price
Expected stock in about 2 weeks