antichlor

[an-ti-klawr, -klohr]

noun

Chemistry.

1. any of various substances, especially sodium thiosulfate, used for removing excess chlorine from paper pulp, textile, fiber, etc., after bleaching.

antichlor

/ ˈæntɪˌklɔː /

noun

1. a substance used to remove chlorine from a material after bleaching or to neutralize the chlorine present

Other Word Forms

• antichloristic adjective

Word History and Origins

Origin of antichlor¹

First recorded in 1865–70; anti- + chlor(ine)

Word History and Origins

Origin of antichlor¹

C19: from _anti- + _chlor ( _ine )

Example Sentences

Antichlor, an′ti-klōr, n. a substance used in the making of paper to free the pulp from the injurious after-effects of chlorine.

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Sodium bisulphite is a very efficient “antichlor,” only 1.46 parts being required to remove 1 part of chlorine, but owing to its instability the action is uncertain.

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The action is an instantaneous one and it is consequently necessary that the germicidal action should be complete before the “antichlor” is added.

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