prov:value
| - The halogen can be F, Cl, Br, or I. The non-ionic halogen-containing surfactants suitable herein can be made of for example: (h)(1) two different structural units, the first one having a perhalogenocarbon chain of the general structure, CnXm???(C is carbon; X is a halogen such as F, Cl, Br, or I), where the chain may be straight, branched or may be a perhalogenated arylalkyl chain, where n is an i
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