This standard specifies the method for the determination of the acidity of ethylene glycol for industrial use. This method is suitable for the determination of the acidity of ethylene glycol for industrial use, and its minimum detection concentration is 0.0002%.
GB/T 14571.1-1993 history
2016GB/T 14571.1-2016 Test method of monoethylene glycol for industrial use—Part 1: Determination of acidity—Titration method
1993GB/T 14571.1-1993 Ethylene glycol for industrial use . Determination of acidity . Titrimetric method