pH buffer solutions for calibration and verification of your PAT and laboratory sensors. Directly traceable to NIST standard reference materials (SRM), ERA's pH buffers are mercury free and are guaranteed stable for at least one year after receipt.

Product Cat # Type Price Quantity
pH 10 Buffer, Blue, 1 Gallon 187029 SOLN
pH 10 Buffer, Blue, 5 Gallon 183219 SOLN
pH 10 Buffer, No Color, 1 gallon 183191 SOLN
pH 10 Buffer, No Color, 1 Liter 183190 SOLN
pH 10 Buffer, No Color, 1 Pint 183007 SOLN
pH 10 Buffer, No Color, 5 gallon 183192 SOLN
pH 10 Liter 137 QC
pH 10 Pt 135 QC
pH 10 Pt - cs of 6 136 QC
pH 2 Buffer, No Color, 1 gallon 187027 SOLN
pH 2 Buffer, No Color, 1 Liter 183184 SOLN
pH 2 Buffer, No Color, 1 Pint 183004 SOLN
pH 2 Buffer, No Color, 5 gallon 183186 SOLN
pH 4 Buffer, No Color, 1 gallon 183181 SOLN
pH 4 Buffer, No Color, 1 Liter 183180 SOLN
pH 4 Buffer, No Color, 1 Pint 183005 SOLN
pH 4 Buffer, No Color, 5 gallon 183182 SOLN
pH 4 Buffer, Red, 1 Gallon 187026 SOLN
pH 4 Buffer, Red, 5 Gallon 183217 SOLN
pH 4 Liter 129 QC
pH 4 Pt 127 QC
pH 4 Pt - cs of 6 128 QC
pH 4, 7, 10 Pt - cs of 6 141 QC
pH 6 Buffer, concentrated, No Color, 2.5 L 183012 SOLN
pH 7 Buffer, concentrated, No Color, 2.5 L 183013 SOLN
pH 7 Buffer, No Color, 1 gallon 183188 SOLN
pH 7 Buffer, No Color, 1 Liter 183187 SOLN
pH 7 Buffer, No Color, 1 Pint 183006 SOLN
pH 7 Buffer, No Color, 5 gallon 183189 SOLN
pH 7 Buffer, Yellow, 1 Gallon 187028 SOLN
pH 7 Buffer, Yellow, 5 Gallon 183218 SOLN
pH 7 Liter 133 QC
pH 7 Pt 131 QC
pH 7 Pt - cs of 6 132 QC