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Document Type

Research

Abstract

Chloropicrin or trichloromethane is a colorless liquid boiling at l 12°C and having a specific gravity of 1.69. It was first prepared by Stenhouse from picric acid and bleaching powder. Its first use was in chemical warfare by the Allied troops in 1918. It was prepared in large quantities at Edgewood Arsenal during the World War, by the method developed and patented by the senior author. Picric acid, hydrated lime, and water were mixed to form a calcium picrate suspension. This suspension together with a suspension of bleaching powder and water was run into a still. The chloropicrin was steam-distilled off.

Publication Date

1940

Journal Title

Proceedings of the Iowa Academy of Science

Volume

47

Issue

1

First Page

197

Last Page

199

Copyright

© Copyright 1940 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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