pH 9.18 Technical Calibration Buffer (500 mL)

Description

HI5091U is a premium quality pH 9.18 technical calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hannas line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. Supplied with Certificate of Analysis Accuracy of +/- 0.01 pH @ 25C Temperature chart of the actual pH value at various temperatures printed on each bottle