HI7004C pH 4.01 Calibration Solution (500 mL)

Features:

– Air tight bottle with tamper-proof seal: Bottle is hermetically sealed to prevent any air (CO2) from entering and causing a change in the pH buffer value. When the bottle is opened for the first time it is as fresh as the day it was produced in our factory.
– Each bottle marked with lot number and expiration date: Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.- This pH 4.01 buffer solution is dyed red for easy identification: Easy to identify which buffer is being used for calibration

Specifications

– Description: standard calibration buffer, dyed- Certificate of Analysis: No- pH Accuracy: +/- 0.01 pH- pH Value at 25 C: 4.01- Package: bottle- Size: 500 mL