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4.1x00a0;Knowledge of the impurities is required to establish whether the product meets the requirements of its specifications.
1.1x00a0;This test method describes the gas chromatographic determination of glycol impurities in Mono-, Di- Tri- and Tetraethylene Glycol (MEG, DEG, TEG and TeEG) in the range of 5 to 3000 mg/kg, and in Mono- and Dipropylene Glycol (MPG and DPG) in the range 0.01 to 2.58201;% (m/m).
1.2x00a0;The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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