Document RJmaKYqMDkg5NkM6xNp23De68

. 1939 , the-;.-; iMs'-Uhat;:-:: 'jK.tf' the . -I; of -: t;:s. .htuYfyanrly PinVnftiiiivy The Industrial,Chemist. Nov'ember,'1939 {(iii'bc-.thi' riiaxin'.'iin pressure; of : the react jun. Considering rytrark^, we may regard the inyrGn'mnt'-'pYeSR'ure pro - 'diicCdybyrthe (CxpiI osiorr' ashti. firiiuLs i ijdjvqfydiG'iiilfla/rtitt'rt.bility1; j''';X:db>eiV.'d\:st .iir!ddr..dxprrirhc.nr;d''co:ifiii ions. - Only ik ydaYraMjla idn:uirbJa.aiCi:> ;kad cxpk'sir.iidaouil; in-the lortua-. :-t'ioiVVpf!->iVdcitonri ti6iiXwiiycV:'XXXYX'b'X?yXVi'--Xd^';^kv-'5:XV'1X-"''^"';>-,X-'-'!/'7--.'"i' ..The expansion prV'.ss'ire.'t;s r. is. produced: is- Ui;e e.iS her. In: i'.xpan si on: of 11:c:air..- by ti:e. lirat c.il .rcaci idn.'It was viifferpnces;. 421 >; ii'.'atpY ' ;/iiTH;sj:Ctc:i,..:V . ;s.;j5asscd 7/.: /nase. h hiu' G; y -.rid waves-;. /-in' avgas':-j:'y ijcdBuredu;-;.:' 1 1 iins' '-smoke Yir.:.;; y.wfi.ves'Yire;';:- pc: ti'Mieu; y ..hp: waves :': ydoyoriginal:// yVtlppiarickd ;;k,yXb/XXX'Xo;i,/fd.rXe/eskbX^beYy!.:xy79rY;yky.;r-:.k;;yyykypd: yvrt-.luB'Y'of.-i brigiriilly/sdppos'ea.:v.thatydu'sl:'c6iiperi\i/ati0ns'riii]1y;;.c'xp.lp:cie>: Yiien icpmbiistibid %'r. shrill;,by t.i r.s lire rysvtbibe-.inz.ciibg'.waybsh '.xs'/. spaced/ :>ni plicated Jui ` srlspc3isi>>7i';yatdrif ; l.hoy :propagated" i.ac-.d.xpjpyiori -J.pirlicles: . It iiak iVow.la.:en proved that: ;U .the borrccYVcoh-h V^dspohtcLiifc:crtik];r;isitit>Til ta.'kft'S'f>fa.cj'/b'ctwpc'h'::.i,lie'-.'- jfacly .dividoiJ thiyi .Uie. oXygeiO dtiv. Id igiii!hip. tie. fern;: thing enburnt dus;.' particles . ..:; ;. .. .V^i^nally, X Tito pressured hat; is; produced )>y aiv explosion ."oi struch; ;dust is inaitily'<iac: to tlnvrapid fonnalion-of Yolaiively large ;:|(,biiiidesyof/gases.y:;biUplndY%b'ii;dcciMii'ityp|.:.its;do\v;ign'iti;on. CiiHesWhicf.d a P'rirpiir<htnro/ex|jfo^ since ' ydv-ttdd'jyfit'i-. j' prodiiccs or.iy'Hali th'tt-voltirnthOf gasthriiam caViiul weight Btfare'thisjS/: p siarC'.v pioduecs. it: explodes with cbYrcspovrii'i;gly /h:ss d.ib'l r'/ !act, wimplhnce'hX'XX'Xhvd.Xh'XtvX;; tHYrpjvk'-'kd;;j/:p/-yy:'X:'o'ikdd'XX . which >vi!'; ;] With' certain' duklX' c'\;:.Muininiuin. that-iln iiot. p:d(.lii Xdhsts.xl'W v':;hS; In'it 6n the cYiiitrary/aisc np;oxyge:i frotr. tlie air;- the: . acor, %vc-> : i jttplostoii pr.f'.ysiiid'.is dt ip-entirety.' in the- tlii;niiaI expaj'isiori 'jicdous bti'cr .pithe-aiv. - The'heat of reaction oLahin'hniuvr.. dust. is of tyxh'.'aMiigh tyduXthYt/.tlie explosion'pressure'is in the:shnn: tori iS-tiKcdi'--' X|?ngeyaSd;t)i;it;o{;starch'XiXXoXXXXXX.XXX?'::X.::'X::XXb;;;'' ImzWd? i>|yfri:'tlte;tftaj6i,ity;6l cases ro'f'rfattoryjeS'plOSioas'itlteHatnage.-' ;>s diu; to Hie cxpat;.sioi!: pressii'i.c; that is produced,' ar.d a :s,. of??!?u re ine hi.-. oifh expansion tpcessiareXprorfuced^ ' die oxy-ii;: Xtyfials .under.'dnhdard conditions' provides-.-! satityi'etpry' . fnpincal'biwis fori CbfiYip.iaii'ing/th'b' I&xp1.r)si0ii';liLaza'rflvofyiiacii - X3 u.st'-'-i : - ^tri]so 'ife: h-'.method | For/1h 5/c'OTn'p'ti riaoi'i:-!o f iH'ieji liflnfn-/: rj^3 .^^VfP^'i'Xcoricen jtraiions fn e'-,-cl u r.v" X b aXybcdn ^bdrtrtiehti'nyViWdtlifictr.ibyr.'1' .;3}6 (oilmyi:ig: factors g iko'obhceiYtiyuidtyof Htcpduty i;r<;fo:c> ` Jf d)d;dnsl/;-Hii(: birnpositioh f>t flic annosphere.; Mild the. . ;|!'r;PP'!'niUru. .c.\t'ui>.; .:iiHt Jura t ion `of thb ignit ion .: - ... .: I'n.p pai titles, nj hi d:iYt. cloud,' r.it.hough n:ariy't.iiO.usand }}= -hirgct ;itv sizeyihah: iIteJ tc'dlccules of 'a '. gr;s, hie stilh : Xl^ddingiy siKalh'Avitiy `the roshlt- Ihttt tlic finely diyided 'Particles.of. carborundum X .79. yniatVifial is ir ;n;'tiir.atf:'cO/ntacl .with (ho g.iS'..ous.']m:Vli'.:ii! itt which it is.shsper.dC'.l 'lf .sttcTiS logicai.tir.txjicr.i. thcni- Y foref-ifto t-rldJSt'xlispcrsbidB'will dapyrhir^Vtli '.naiVtcinai.irh-yek'jpil. v` ;.wh.f.h ihch:.oiit;hi:ti.'itioirol tite actual `.o!r,bi:st.ibie is cluai!:'-.- Xa11y,d;qtuyaleiih.;tO;:tii'e fcdricyiiti'a in- the gas.' for wheti this is' thy c.islf.- iho ivithhet.Of nVolei'.r.lcs 6! cony .Ihu'sthdtyinaie: ial ih.a iirt. iii (hrcct roiil tc: \V:t:: trolccules -iof1, Oxygen dXati a^rriakimiiin'X; PtcfhX'chiX 'X;rX-;7/-'X^oXX?.X-'-' ;y7f;i .Hisps: fpiihdvtpVtie.tiiiifd'.X ..test:. ..T:!e;CxplosiC':i piossurc isiat. ariha'xitntnn.'at'this coi)- ccntration arui diiv.itiishtis rajiidly -.as the cotiCehtratioii ; departs .froin rLhis - v'aitic.'in -eit l-<-C < 1 ii oct ionh . :: .y ' MANUFACTURERS'- PUBLICATIONS '[//*?}IEMICA li I/V,'();i:--The G;t! 1 tin karri p catillOgue N o.: 109 Vi .. ; 1939 edittoYiVdta soirii-sc.alt: chetnichl plant, th.c fiteWs-: Being ;gfpli pjc;<ivto,get.iycr!.VrSj;:fVrr.-7a.lio.jaossibt-:'uiTLcierr/'iio variou.s ur.it operations ht <:ht:mir.a! engineering. ; li is.a .:.'52-pagci .ctitiilngr.o' f'.illy .\\)KS,tn\c(}. ~A . Ctlllpik/imp. AC /Co: Ltd. : .- '`iCAAy/if y;:;::7`.nsiyrdrhGiStufttWa'ntipul.)iic;itip'nh.^d,';'103(i:is at; 12-page" '.hn.iclipre giyitig ]Y;ir`.tcr.i.'trs, dia'gratn? i:r,tr.:|ihbt.igraplis r.f . tpYppelicpdifaXas;.:/^ ...ys'mali "';elcc triti ;. ^dritijati'O'giii.sfiLi:^/ ' Siurtih/int EnginccnniCCj.- Lid. :.y ' C:..i ' ;'. //Lighittig 4rr`.'.'A:,'New ISys ttinof. HirfnOhyh'Lightihg,'''.;is; tlic ' title. oi Vi deceitt ..Benia'tViinhlcct.ri'c. .piibiic:tt ion /(No. ;>i639/739)htwidc1vr^^;has:.,:.l;'& ::proyideRP;:'niimerp\rs'.'-:dd'Vaits -Eindia'pict'u'rfesch&fy t:lieV-2V'Hoiierh 1-syS' tem ;,o fViil'cli trietrj 1 gjiiin:g 'iiiicl'i i t s ^applicEtt'i'on iiEicdric)IMn{l/!d:-C':i>Cr'::.iC.'-CrCiiyii: 'j :/ / :V XlSfieii yissuciS i fKit>.-'/3j 'y .giv:n|j:detai)s of till.the caialogates iehilahie desr.iaihrig th^ Kipp itnd Zoi'.en xt'Scrirth in^triimeiitp,.fotjethe: \vit.!r.brief (.iebcriptioii.s of th.c apparatus.' 'y\ny (d thh cafalbgaYes therein listed ts available oil '.iVr.t'.fist. (rhirt H-'.'. Eduards.& Company. ;-plcteirrrLrigfcji;' of .C'rc'sitali6lyiM0cTifiecl;.phciiOlya :.foriiaXtrf cl ftliyclcpyrpsiti is-.-i.Gi'es t.ii'riYil ylvj.a If:ic. n'hyd ririb; i-r'^sins'k ;i:hl:. Ct cstiii-Pure pliKi'.otic rKsibs: art:. .dpsi'.i ibcc.l cin -.th'e' Second .'ydiliott of 'ai Booklet':'issued rcccnlly by thc. nianu- 1 facturei's.:.;.;..; Pa rticulhrhjat'te'hfi.on fi.dsphclr a.yvfi V/itp' vCrefetirhql h S.B: 22f3,' descrilieti :.as' a very hardr/palp.. l:igh:/v-jscpsity jmodi fled iphefipi icj Vesitv '-wii i cly 'canfbB'diXs&iy&iinrri^ an isolyenis or'cooked direct: iiifo statirl oil at'.-i low tempera; stiirei'rvitsicolour.fe'tentto^^^^ for it tnodifusd .pihonolic'resir..' i'.resttitipl S:B.. 248 ,cati. it .is' stated; ;.be /usecl11> - Jti cl tree Veryi^'riipkcdryitlgida'cqu.ctS/Bf^; great' durability: ~.'>r,f)ij 'Biiticr 6-;'C'i. 'iMUr/C ./.. X 'l l. 1'.'.. .