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See Chinese contents: GB/T 14571.2-2018 GB/T 14571.2-2018: Test method of ethylene glycol for industrial use -- Part 2: Determination of purity and impurities -- Gas chromatography
This Part of GB/T 14571 specifies principle, reagents or materials, instruments and devices, samples, test procedures, test data processing, precision, quality assurance and control, test report of gas chromatography for determination of purity and impurities in ethylene glycol for industrial use.
