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See Chinese contents: GB/T 14571.1-2016 GB/T 14571.1-2016: Test method of monoethylene glycol for industrial use -- Part 1: Determination of acidity -- Titration method
This Part of GB/T 14571 specifies manual titration method and potentiometric titration method for determination of acidity of monoethylene glycol for industrial use. Manual titration method of this Part is applicable to the determination of monoethylene glycol for industrial use of which the acidity is 2mg/kg~200mg/kg. Potentiometric titration method is applicable to the determination of monoethylene glycol for industrial use of which the acidity is 1mg/kg~200mg/kg.
