Hanna Instruments pH 4.01 Calibration Buffer in FDA Bottle

HI8004L/C is a premium quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. The buffer is contained in an opaque, light-tight bottle that meets FDA requirements. 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. Hanna’s line of 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 @ 25°C
Temperature chart of the actual pH value at various temperatures printed on each bottle