Assertion: hydrogen chloride | /r/ObjectUse | used in oxidizing unit
Facets:
Source sentences:
text: In some cases, it may be desirable to purify the hydrogen chloride used in the oxidizing unit or to purify the electrolytic solution it impurities are introduced by the hydrogen chloride as may happen from HCl derived from the manufacture of salt cake or from other operations wherein impurities are found in the HCl.