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Zyklon B (German: [tsyˈkloːn ˈbeː] ⓘ; translated Cyclone B) was the trade name of a cyanide-based pesticide invented in Germany in the early 1920s. It consists of hydrogen cyanide (prussic acid), as well as a cautionary eye irritant and one of several adsorbents such as diatomaceous earth .
The small quantities detected would indicate that at some point these buildings were deloused with Zyklon B—as were all the buildings at all these facilities. Leuchter compared the low amounts in the Krema to the higher readings in his positive control sample. Lab manager James Roth testified under oath to the results at the trial.
The contents of the report, in particular Leuchter's methodology, are heavily criticized. James Roth, the manager of the lab that carried out the analysis on the samples Leuchter collected, swore under oath to the results at the trial. Roth did not learn what the trial was about until he got off the stand. [5]
A can of Zyklon B with adsorbent granules and original signed documents detailing ordering of Zyklon B as "materials for Jewish resettlement" (on display at Auschwitz concentration camp museum) Tesch & Stabenow was founded in 1924 in Hamburg. [2] In 1925, the firm became the only distributor of Zyklon on behalf of Degesch east of the Elbe.
From 1931 to 1943 American Cyanamid produced the pesticide Zyklon B under license. [41] Cyanamid's pharmaceutical division included "Lederle Laboratories", maker of Piperacillin, an antibiotic drug used as a penicillin substitute; Centrum, a multivitamin supplement; Stresstabs vitamins; and Orimune, an oral polio vaccine. [42]
Degesch held the patent on the infamous pesticide Zyklon, a variant of which was used to execute people in the gas chambers of German extermination camps during the Holocaust. Through the firms Tesch & Stabenow GmbH (Testa) and Heerdt-Linger (Heli), Degesch sold the poisonous gas Zyklon B to the German Army and the Schutzstaffel (SS).
The patients were suffering from, and in many cases had been deliberately infected with, typhoid, tuberculosis, diphtheria and other diseases, then were given preparations named Rutenol, Periston, B-1012, B-1034, B-1036, 3582 and P-111. According to prisoner-physicians who witnessed the experiments, after being given the drugs the women would ...
Exposure to lower levels of cyanide over a long period (e.g., after use of improperly processed cassava roots; cassava is a staple food in various parts of West Africa) results in increased blood cyanide levels, which can result in weakness and a variety of symptoms, including permanent paralysis, nervous lesions, [14] [15] [16] hypothyroidism ...