Water and Other Oxygen-Containing Compounds

This suggestion would be no more than an ad hoc hypothesis were it not that the most likely impurities are water and other oxygen-containing compounds (alcohols, ethers) and that Zlamal had found that for isobutene in ethyl chloride at -78 °C the chainbreaking activities, given in our notation by kh/kp, of the complexes of aluminium chloride and ethanol had the values ... 

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