A micromethod for the serial determination of organically bound halogen

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Abstract
A titrimetric micromethod for serial detns. of Cl, Br, and I in organic compounds is described. The halogens are transformed into Ag halides by combustion with fuming nitric acid, the Ag halides are dissolved by a complex-forming agent (ammonia in the case of chlorides or bromides, and KCN in the case of iodides) and reduced to metallic Ag, which precipitates, and halogen ions, which remain in the supernatant soln. The halogen present can be estimated by detn. of the precipitated metallic Ag, or by direct titration of the halogen ions in the supernatant solns. using the diffusion methods of Conway.
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