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 $39.00 Spin UpSpin Down
pH 10 Buffer, Blue, 5 Gallon 183219 SOLN $115.00 Spin UpSpin Down
pH 10 Buffer, No Color, 1 gallon 183191 SOLN $39.00 Spin UpSpin Down
pH 10 Buffer, No Color, 1 Liter 183190 SOLN $21.00 Spin UpSpin Down
pH 10 Buffer, No Color, 1 Pint 183007 SOLN $14.00 Spin UpSpin Down
pH 10 Buffer, No Color, 5 gallon 183192 SOLN $84.00 Spin UpSpin Down
pH 10 Liter 137 QC $33.00 Spin UpSpin Down
pH 10 Pt 135 QC $12.00 Spin UpSpin Down
pH 10 Pt - cs of 6 136 QC $78.00 Spin UpSpin Down
pH 2 Buffer, No Color, 1 gallon 187027 SOLN $39.00 Spin UpSpin Down
pH 2 Buffer, No Color, 1 Liter 183184 SOLN $21.00 Spin UpSpin Down
pH 2 Buffer, No Color, 1 Pint 183004 SOLN $14.00 Spin UpSpin Down
pH 2 Buffer, No Color, 5 gallon 183186 SOLN $84.00 Spin UpSpin Down
pH 4 Buffer, No Color, 1 gallon 183181 SOLN $39.00 Spin UpSpin Down
pH 4 Buffer, No Color, 1 Liter 183180 SOLN $21.00 Spin UpSpin Down
pH 4 Buffer, No Color, 1 Pint 183005 SOLN $14.00 Spin UpSpin Down
pH 4 Buffer, No Color, 5 gallon 183182 SOLN $84.00 Spin UpSpin Down
pH 4 Buffer, Red, 1 Gallon 187026 SOLN $39.00 Spin UpSpin Down
pH 4 Buffer, Red, 5 Gallon 183217 SOLN $115.00 Spin UpSpin Down
pH 4 Liter 129 QC $33.00 Spin UpSpin Down
pH 4 Pt 127 QC $12.00 Spin UpSpin Down
pH 4 Pt - cs of 6 128 QC $78.00 Spin UpSpin Down
pH 4, 7, 10 Pt - cs of 6 141 QC $78.00 Spin UpSpin Down
pH 6 Buffer, concentrated, No Color, 2.5 L 183012 SOLN $94.00 Spin UpSpin Down
pH 7 Buffer, concentrated, No Color, 2.5 L 183013 SOLN $94.00 Spin UpSpin Down
pH 7 Buffer, No Color, 1 gallon 183188 SOLN $39.00 Spin UpSpin Down
pH 7 Buffer, No Color, 1 Liter 183187 SOLN $21.00 Spin UpSpin Down
pH 7 Buffer, No Color, 1 Pint 183006 SOLN $14.00 Spin UpSpin Down
pH 7 Buffer, No Color, 5 gallon 183189 SOLN $84.00 Spin UpSpin Down
pH 7 Buffer, Yellow, 1 Gallon 187028 SOLN $39.00 Spin UpSpin Down
pH 7 Buffer, Yellow, 5 Gallon 183218 SOLN $115.00 Spin UpSpin Down
pH 7 Liter 133 QC $33.00 Spin UpSpin Down
pH 7 Pt 131 QC $12.00 Spin UpSpin Down
pH 7 Pt - cs of 6 132 QC $78.00 Spin UpSpin Down