Path: news.voyager.net!aanews.merit.net!izzy.net!news.erinet.com!imci5!pull-feed.internetmci.com!news.internetMCI.com!newsfeed.internetmci.com!hunter.premier.net!news-res.gsl.net!news.gsl.net!news.uoregon.edu!tera.mcom.com!news.Stanford.EDU!not-for-mail From: rjg@d31sg0.Stanford.EDU (Richard J. Green) Newsgroups: alt.revisionism Subject: Re: Nyiszli's Memoirs of Auschwitz Date: 14 Jul 1996 14:35:19 -0700 Organization: Stanford University, CA 94305, USA Lines: 52 Message-ID: <4sbp6n$cds@d31sg0.Stanford.EDU> References: <31E6D776.3EC2@unb.ca> <4sa4b2$h6r@newsbf02.news.aol.com> <4sa986$3ac@sjx-ixn2.ix.netcom.com>NNTP-Posting-Host: d31sg0.stanford.edu Hello all, I can't find coughing _per se_ as a symptom of HCN although rapid respiration and convulsions are effects. I suspect that coughing would be a symptom of the lachcrymogen, but we can answer that question by looking it up. For future reference here is what DuPont's MSDS from 10-13-93 has to say about human health effects of HCN (CAS 74-90-8). From p.4: HUMAN HEALTH EFFECTS: In most cases, cyanide poisoning causes a deceptively healthy pink to red skin color. However, if physical injury or lack of oxygen is involved, the skin color may be bluish. [my note: Mr. Giwer was wrong again.] Human health effects of overexposure by inhalation, ingestion, or skin contact may include nonspecific symptoms such as reddening of the eyes, flushing of the skin, nausea, headache, dizziness, rapid respiration, vomiting, drowsiness, drop in blood pressure, rapid pulse, weakness, and loss of consciousness; central nervous system stimulation followed by central nervous system depression, hypoxic convulsions, and death due to respiratory arrest; temporary alteration of the heart's electrical activity with irregular pulse, palpitations, and inadequate circulation. Higher cyanide inhalation exposures may lead to fatality from gross overexposure. In a few cases, disturbances of vision or damage to the optic nerve or retinal have been reported, but the exposures have been acute and at lethal or near-lethal concentrations. Skin permeation can occur in amounts capable of producing systemic toxicity. There are no reports of human sensitization. There have been a few, all unverified, reports of chronic cyanide poisoning from occupational exposures. Individuals with preexisting diseases of the central nervous system may have increased susceptibility to the toxicity of excessive exposures. Regards, Rich Green -- ---------------------------------------------------------------------------- Richard J. Green Dept. of Chemistry rjg@lyman.Stanford.EDU Stanford University http://www-leland.Stanford.EDU/~redcloud Stanford, CA 94305-5080 "Remember the days of yore, "Learn the lessons of the generation that came before you." -Deuteronomy 32:7
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