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 $37.00
pH 10 Buffer, Blue, 5 Gallon 183219 SOLN $111.00
pH 10 Buffer, No Color, 1 gallon 183191 SOLN $37.00
pH 10 Buffer, No Color, 1 Liter 183190 SOLN $21.00
pH 10 Buffer, No Color, 1 Pint 183007 SOLN $14.00
pH 10 Buffer, No Color, 5 gallon 183192 SOLN $81.00
pH 10 Liter 137 QC $31.50
pH 10 Pt 135 QC $12.25
pH 10 Pt - cs of 6 136 QC $73.50
pH 2 Buffer, No Color, 1 gallon 187027 SOLN $37.00
pH 2 Buffer, No Color, 1 Liter 183184 SOLN $21.00
pH 2 Buffer, No Color, 1 Pint 183004 SOLN $14.00
pH 2 Buffer, No Color, 5 gallon 183186 SOLN $81.00
pH 4 Buffer, No Color, 1 gallon 183181 SOLN $37.00
pH 4 Buffer, No Color, 1 Liter 183180 SOLN $21.00
pH 4 Buffer, No Color, 1 Pint 183005 SOLN $14.00
pH 4 Buffer, No Color, 5 gallon 183182 SOLN $81.00
pH 4 Buffer, Red, 1 Gallon 187026 SOLN $37.00
pH 4 Buffer, Red, 5 Gallon 183217 SOLN $111.00
pH 4 Liter 129 QC $31.50
pH 4 Pt 127 QC $12.25
pH 4 Pt - cs of 6 128 QC $73.50
pH 4, 7, 10 Pt - cs of 6 141 QC $73.50
pH 6 Buffer, concentrated, No Color, 2.5 L 183012 SOLN $91.00
pH 7 Buffer, concentrated, No Color, 2.5 L 183013 SOLN $91.00
pH 7 Buffer, No Color, 1 gallon 183188 SOLN $37.00
pH 7 Buffer, No Color, 1 Liter 183187 SOLN $21.00
pH 7 Buffer, No Color, 1 Pint 183006 SOLN $14.00
pH 7 Buffer, No Color, 5 gallon 183189 SOLN $81.00
pH 7 Buffer, Yellow, 1 Gallon 187028 SOLN $37.00
pH 7 Buffer, Yellow, 5 Gallon 183218 SOLN $111.00
pH 7 Liter 133 QC $31.50
pH 7 Pt 131 QC $12.25
pH 7 Pt - cs of 6 132 QC $73.50