Sensorex B125 6 Piece ORP Calibration Solution Kit

Use the kit for pH calibration, then convert the pH buffers into stable ORP buffers by saturating with Quinhydrone. The calibration kit can be used for 30 calibrations and consists of the 1 pint, pH 4 Buffer, 1 pint pH 7 Buffer , 3 - 4 oz beakers, 1 - 20 gram bottle quinhydrone, 1 instruction sheet, wood stirring sticks. Solution values after mixing are 90mV and 260mV.