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.
6/12 page 4
![jyfiijft tljflii itbslt, q.u9tlity iUaiyei:bfieni tekea^ itibeGomiBs^a queslHon; liow much of the antidote inny witli safety be givenn..ih tiie.iform reco)nmoiidodj -i.iA appears to ua tbat a Jajfje quaiilitj^ uuiiWi be gtven with- peifecb safetyiT If tlie decision should be difl'erent, it would then be necessary to prepare the hydrated oxide of ijfou in lUoiNvajf re|Coz»miBndx}dibji)iJiiumsen,iaii4-. fb^itlie-pre- paration of which there iwould be abundanee,of .iiimejion accouultiof [the iin- .jiiediate effects pf the poison having; been.effcctuMly couiiileracted.ilT i .'L' ,if The solution of perahloride of irou is admirably adapted for .th» proparatiau of the hydrated peroxide,. 10 fluid oz. .give 1256 gra., ; or nearly' ^ osS.-nt' j)0raxide. Supposing 3 fluid i oz. of, the solution, be idkeii to prijpare- -the iHydrflte J jpour .,thi3v(iiiHantifcyiiiltO ia convenien vessel for precipibationi'a tall preeipitating-gluss wouhl be best, add from five to ten times its bulk ofipiire water, itheiS add; liquq)ir.,auunoniaj. miliil,- ttfter-ibriski agitaffcioi\,iiiti8iriells idis- tinctly of the volatile alkali ;, <let ithe,ip,re<fipitatei.siebUe.; pour ,-ofl':the! clear liquid, and mix in a fresli quantity'' of water; let the ])recipitate.settle la §(fGond time, then Ipour off the liquid as before; after'repeating this op'cra- • tiea 8,ey(?E|ii tiiijaes,. it may ba ;(!Orisideifcd sufficiently washed, hni it may-'be better washed by now filteringyiimd iif . the,ihydrate .has been ithrown. dovraa frpni. tC -wttrtoand cancentratfed^solution (which-we Jiaveifoaiid dooa not *pre- ,y§nt itis antidotal ;aotion)k, the washing on the filter isiaiofc.'by! any nife^ins ^fce- dioufi. Tiifi hydrate may easily be got ready for,useiim about an-honr. ' The hydrate; thusi obtained is a njoal^ ,effectual iautidoteiiaiidi icaii be aduiimstered eafely in almost any qViantity.^-.huihsj'.'ijj 'to .g-iii luficiiibbn jii; io uuiJ ;i When. vV|e turned :o,u.r atteptioMi %q -tiiiiaijaiiaitt^ij^xvaiwerb^nijthe'beKfff itiiiat the hydi'fttediOKide ,of iroiUbiwiouldrOialy attfc.as am ajitidote fcoi niisenidus acid io ,the ye/'y. ipujpyl stjajte of ihydrate, ithrovy.n do.wn; from veiy. diliifce:cold solutionfe peroxide of iiron byiammoniai butwe'baye found that'it is of very little jconsequence, >vhetherith,e,;9xidti be t;hr<*wu; down fi-om strong .cir weak,Jiot or cold solutions! or whetheiE.byiammonlia or, ;a ;caj-bouated alkali; if, undcr ariy ■)of ,th|Bse .circumstances, the hydrateib^iusedibefoa'i^i being dried, , it: is almost equally efl'ectual in absorbing the poison ; if, howeMri-the.oxide shouild'hHwe -bei&ja.pri€d*,ifc,-|S30,[loinHei^laGtia;,^ notia;i)pealJJ to,ihaiveitiho least ponidi- of ^^leitijoiyingHiirssenioHs acid frofii.a liiq^u^^^ , -t .i-i'iii uviia • fio'Wie, have foundhoM'&ver, that ■ 1001 gjistr-of,dryilperosiideriof rimai.'^if'suh- cWd. fcQimit^stt 6ar(>fvd;i)ulvcriza.tioft;andi.eluiiifijitionviremote ratiieor nioiie,than 2 grains of arseuious aoid. fi'0;m solptioajj. ,i; /i-nvm ■l-h -.'U; /lli;!'!-r, '; in' i •jol i'ho .hydrAtOj.alrdadjri.prepared)■ atidjlkejit: lUnder water 1 f<Mr: some moiiths, ■M^^ i'Ia-bSQcbiiag iacjton gradually, (slQtv^yi lafefirati:biit in -ao;increasing ratio aiCtt>r\v4fid.^),!i!Qiithftt,;*ft;ej; four nioi^thsji ibS ipo^ver-is ,not ;ijiore than - half,of A'jhutiitioviginalliy s\5[Ml'.^iid/ afte],'7fi(^^tSjjit^,abs<i>r{)tiiirei aclic|n lip diiminishedjUp about a fourth. .•,]'.WiUu: -.•iVtn i>rv;\ ,t>M,l -.It ■><! .,| ,.,,.•■.;.,!.,■,; !-,.iir eiuWhat j^^o miglit be:fable to. make, ai diefijiitc statement of the time in ^V!lich l^ftiliyidwateid peroxide o;f .iron,could be precipitated, washed^ and Jnade. ready dPlVM^i. wpi.tljiTPW djoM'Ai-iTOtb exeoss.iof. ammonia, aiquautity-iofi thBisolutioii rflf P«>i#Uwidei<>fiiiw)ui,,.,wjii»iniiog>,80 gtsjr.of .anhydrous iperotidenofi i»d«, 'iftfi^^ijiii^fiug, iiiiwjth te!i?!lounces of fwatejrVat/ aiJ^eatiofabout 120? JPa « niodis jjr>riv^,pre.ci.piitate_ settled quickly* but,*-«,did uotiwait for subsidencBii^cris 3^?i t9ffiAct, ^he. iwaslaing,.by .de.canttlti6n,ibu,t-„at oii(fe .threw t-he whole lijwb a ,PWr,i,a,nd, ■^yash^^d lihe precipitafo. iwith-puro. ,water.!till the washing' water jP^ssed thvoygii,; tusteh'sa,,i, The operaitSoji iwas, jiiiisbed- io, .t-w dhtiy.- minutes, ihe..fitTBin^d,, hydr^tBA tCWvid9, iwas,, foUndi ito weigh exactlyi A^ozj;>,lOn. aliow im^4if|gj,,|4n,,a,,beaikerjMyieThydrafcedvflxid(3^uthn8 lObti^ aO tgr8j,.of inwe,iH)Otis,wjd. iu. SrOlutiou» oarpfully iagitating ifor ai few-minutes, and then fl|fl|>m'4)l)HI.liqiiid, iby,.fdk'atiou,, aulpliurotted hydrogen filter added to AllWirhltvwi;,liquid;,avidiiluu.^ w.ith a lew drops of luuriaLic aeid, ifailcd to](https://iiif.wellcomecollection.org/image/b21479276_0006.jp2/full/800%2C/0/default.jpg)
