Assertion: hydrogen chloride | /r/MadeOf | small amounts of by-products
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Source sentences:
text: The hydrogen chloride obtained in the isocyanate synthesis has to meet specific purity requirements, especially in the case of use for oxychlorination or for the Deacon process, so that the separation of phosgene and hydrogen chloride has to be carried out using process variants in which it is ensured that the hydrogen chloride after separation and work-up contains only small amounts of by-products, in particular chlorinated solvents such as dichlorobenzene or chlorobenzene.