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- W1801877758 abstract "Volatile ethers are analyzed by gas chromatography, because they are thermostable. However, other conditions for analysis have to be chosen for thermolabile substances, such as some types of peroxo compounds. The isolation of ethers and peroxides, their separation, and their determination in the reaction products or in commercial products are frequently necessary. The liquid column chromatography of ethers and peroxides is used predominantly for their purification and isolation; it is used less for analytical purposes. For the separation and the preparation of monodisperse polyethylene oxides, gel permeation chromatography can be used. Pure oligomers are isolated by this method on a preparative scale using a polystyrene gel cross-linked with 2% divinylbenzene. The adsorption of peroxides is dependent on the amount of water present in the adsorbent and in the solvents, which comprise the mobile phase." @default.
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- W1801877758 date "1975-01-01" @default.
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- W1801877758 title "Chapter 20 Ethers and peroxides" @default.
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- W1801877758 doi "https://doi.org/10.1016/s0301-4770(08)61184-7" @default.
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