On an antidote at once for prussic acid, antimony, and arsenic / by Messrs. T. and H. Smith.
- Smith, T.
- Date:
- [1865]
Licence: Public Domain Mark
Credit: On an antidote at once for prussic acid, antimony, and arsenic / by Messrs. T. and H. Smith. Source: Wellcome Collection.
Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.
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No text description is available for this image![6 show the presenoe- of the 'sli^hitea^ '^ateei opiaraeaScy.ii'Tfeei'M<h6le'iopferilltw^ was tormiuated within half an houT.i nji y'f Y.i'j'lisa Y.'i' >iol,il(Hi od) to I Three points i>VK)rtJiy of .speoii,l)ieimaJ3iila)f€(fJjr&u'«Htctot'Jby 'tMs^'*«^ jiieiitiT-f.Ki Ml v'i);--.'i-iMi '111 ii'i'.ll lilin,//Ji , tii'ri>iHlj ))liK,iil>'. iioiJ-.i')')()'hIJ . t. The sliort time ^iquirbdi fon'the'preparatidii 'Of bM aniM&te}'t\i&4dlii- tion of per chloride of ii'on beiug alvrays ready 'a^haudi i ^;>ii'// i'l ri'^'iz/DHf 2ud. The remarkable bulk of tho hydrated oxide of iron; in thti onlyistttte in which'it should be iised as an antidote for arBCnious acid. Although'the hydrate nsed contained (My 80 grs: of dry peroxide of iron ;- yet-, in' the suatei ©f| hydratei the ■weie;ht was actually 4|osj. >avoirdupois ; the oiide of lironi retainingi a ^quantity of water equal to'twenty-one times itS' oVpn •weight, .nil'' -ii -.■jiiii! ai.j ■•J ■I'li Kiwu JJM-; - 'I M::'.' ^-::1-HI J; 11;^ -rii j ->;:Brdi^Alfchouffh'theimidei'w^a8(thro^i?nid'o-wMiabi8'heMii3o yet lit'irt^siioapable of lentirely^reraovingilO'gba.'b-f i^sehi'otis acid ifrofli'stoM- !tiQn!in'Waten'|!''''-iM ■nii JjI '-i'!; /iitiinn;. lU-n't -ii '.n! i.iWe haTejatftted that! 180 gF9j of pei-OKide ■of)ii^<!m/iifi:>|the f(&rm'of hydrate, absorb 10 grS. of atseniouS'acidi in solw^ion '; 'but ^S'Bihstt&foilind *hati if Oitiife isgiveu; its ^absorbing power is nearly doiiblod.;''''!'' 'lojj'jd > :0a -mixing 10 gi-s. of arseniona acidj disikolved in-wattyrj' w'ith thei'pi'iB- perly.tprepared hydrate of 80 grs. of peroxide of iron, £itin'irig' 'bi'i8k]y for a fe^' minutesiand filibering;.notia('trace of arsenious atoid can'be foUhd in|'t4e ifiltered: ;liquidi i If (the- filter,' 'with 'its i coiitentsi' be nQW mixed- 'with fe '^old- tion of an additional 5 grs. of arsenious acid, and''Che liquid,' Sfter'pi-oj^ei' stiiringip .be liltered'away, the presence of arsenions acid can be proved'i'n it at bnee^iibut'if'the stiiTing has been contimied for a long time,'and twelre hours' contact allowed before Oltration;- it will' be fotiiid that -the' liq^iid is frete from arsenic. Ou' now 'adding the' solution of other 5 grs.' of arSenidns acid, f^iyin^'the:.same eare in stimngi niid ah equal time'tb the mixture for digestionj it will fbe I found that'the filtered' liquid'gives' distinct'traces ;'of arsehio-.i bnt inoti more'thanjiori comparison, is 'given by '^ 'of'a grain 'of ai^eniou-s;acid-in solution'.' ■■■'' ■ h--^'! ■••Ai •..(nt-i-.-'-h. n, I(!i;im',Ii-» vili::/))M '.< The praotical inference that seemff to'be'fairly ide'dticiblle'!frdm'th^;'6ij)m- ment here detailed is that, althouirh tliei hydirated oikide of irou e5tnnott[ui(;My rtmore more' arteenic than one-eighth of'the weight of oxide of 'iro'n'' 6on- taafljed im iitj'ijfet it continues' gradually aetirig-tt)' SUPjhiiftti' iest6nti*hat,'in' the end, it can actually absorb nearly double'that'qnaiitit^. i ' ';'|. i:t^. i-' .'ii Tbere i& a- metiiod of preparing'the hydratedf oxidgidf'lis&rt'asibiiitidot^ for arsenic, with ;caustic magnesia'in'place' of either a'fixed4>r'k»olatile alkali'; and, as thms prepared, its assimilating''power on arsenidus 'acid being cdhs- pletev' and its preparation ea.s-y- dud 9pcedy;: it will' perhaps 'fc'e'tiOEiSidetdd''by most toxicoloj^ists to be the best form of the antidote. rltim'i c iif.xli; 11 •.i MeaBUFO' lOlt! 807' ■ liiinims!■• df ■ liqu'oi'' fferri''T36rchl6t'iidi'Inbi;^itglitSs',^' d'iffute riiitlr 3Ioti4 \ea:- of Water, lthenirub>up',fnl'i<' moftitr,'iJ>0»^i«'.' bf! (iaU'4iifed''itt*i^- nesiai/intdua'creamj'with aboutitwo dunces'Of whter ^^ithib is iDti(bnce addbd'TO ithe? iron';Bohjtion,^and.iriime'dlately brisklyagitaiedWitha'ilH'8.^-rod';i In about a minute' the mi.v^turcibreviouslyfluidv sets iiltd d,'gfelatinduSita48S of -hydrate• of ptroxidb of ii-dn, with the ipi-odijiition if'k'sliglit 'd^gtSe! o'f'Heat, rwhi^h oil'fbrtber stiiTiHg again beeohic«thiiij'a'iid nb.vt^ib'dtisistgidf d iri'ktm'e •iof';80':grd.-'crf pfcrockide' Of'h-dnj''awA'142''6:'gjsr'df ohlbilidi^'idf Thftgnefiinkiik, with' a'small -excess' of-magne»ia.H' lif the cariel doesr liot-'ebnbttiitfAickte thte •exhibition of chloride of magnesitiiiijithe antidoteiis r^ody'ibt inimedia^e ; I 'but,' if' dthdrwisOi it is very; ^lasily 'i-ertioVed.' 'To 'get' qMb bf'it' ttdd 8' 61 ■ 4 odncbsi of wjtterr; mix and throw tlifc wholb upon a mtifelin or calico cloth Mid itnto h basin; bring togethci* the ends &i' the clobhsi'graflpirtg tUotn' tlFnrtly'ill'lthrc left -handi and with tha rigbtiliress'ouf'the fiqttid''8tettdi1y'Uti<l'inodt*kl'<yly](https://iiif.wellcomecollection.org/image/b21479276_0007.jp2/full/800%2C/0/default.jpg)