A monthly record for all interested in chemical manufactures: Part 2

1898 Journal of the Society of Chemical Industry  
1139 ~ __ --. ._coiidcnsatioii products, which nrc ycllowi.sli-rct1 dyestuffs nrc obtniiicd, thc zinc hkcs of diicli nrc not nltered OIL stcjriuing. A soliition of 42 kilos. of the ethyl ctlicr of tliiitethylrhodol iii 900 kilos. of Rulpliuric ircitl '(66" I$.) is iiiised with 1G kilos. of foruin~dc~iydc (40 per cent.) iii ion kilos. of sulphuric ncid. After staiiiliiig sonic days, the iiiclt is poured oii to ice iind thc sulplcitc is sirltcd out. I n order to convert it into the cliloride, the
more » ... prccipitiita so obtiriiicd is disuolvcd iii GO kilos. of irlcollol nntl 70 litrcs of water, all11 70 kilos. of Iiydrocliloric iicid (209 I!.) :ire nrlilcil to the trot solutioii, tlic cliluritle liciiig fiiiully snlted out. \\'hen dry it forius ii brilliiiut grecnisli powdcr solii1)lc iii hot wutcr iiurl ~ilcoliol, tlic hitter Folution showing no fliiorcscciicc. T i c solution in coiiceiitrutcd siilpliuric uciil is ycllo\vish-browu. The dyesliilf gives yellorisli.rct1 slintlm oii tiiuiiiiicd cottoii nnil when printed with ziiic osidc gives ii Iiiku of the siiiiic sliade, which is iiuaItcrei1 by stcniiiing. -T. A. L. Dill e;itlo-os~ilii)llerrl/l urtct iifie Buses, Proiliteiiq. S. P i t 1, Stiltoil. Froiii 1,. Ctisscllii m i 1 Co.. Priiiikfort-oii-tlic-Ddiriiie, Gerinuiiy. \i'iiw osyrizolieiizcnc is rctliicetl iii :in iicid solution, it yields iinilinc iind p.iiiiiitlo~~liciiol, whilst its tdkyl ethers arc coiivertcd by tlie s:itnc trcntiiiciit iiito scuiidiiics (tlerivativcs of the o-nut1 Ii-ariiiclodi~~liciiylnniine). If, Iioivcvcr, tile wid esters be rcdiiced iii the siiiiic ~w y , the resulting Iirodiicts iirc osydiiiiiiiiltiili~~liciigl b;ises. For irlstuiice, :icctylosy;iziil~ciizcuc gicltls osycliiiiiiiilotii~~licii~l, 1 lo( I I,S)C,I I:,(C& I , . N I I,). 'I'lic follow iiig cs:iuipIu illiistrzitcs the i i i e t l i d ciiipluyctl :-lo grim. of liiicly giuiiiiil ircctylosgiizcibeiizcirc :ire griiiliiiilly itiltled, with coiisticut iigitiition, to 60 C.C. ol' ii soliitioii coutaiiiiiig .10 griiis. of tiii dissolved iii 100 C.C. of liydrocl~loric iicid (3s 11cr ceiit.). 'l'lie teiiil'criitiiru is iiot rillowcd to cscced .I()' C., n i i d , alter stiiiidiiig 2.1 hours. the tloiiblc s d t ~lilelr crystdliscs out is filter-prcsscd iind ili.ssolvetl iii 20 tiiiies its wiglit of wiitcr. 'J'Lc tiu is prccipitiitetl with stilpliiirettcd Iivilrogcii, u i i t~, irfter coiicciitiiitioii iii xi currciit of carljoiiic i d , ililiitc sii1pIiiiric iicid is nddetl to tlic solutiim to prccipitiitc iiiiy bciizidiiic foriiictl. Tlic liltmtc is neiitraliwd, first with caiistic sodn, iriid finally with sodiiriii c:irboiiirtc. Tlic oxytliaiiiitlotliI)liciiyl so foriiicd is ciisily soliiblc iii alcoliol, gkiciiil ircctic iicitl, iiud hot wirtcr, sepriitiug in needles. I t iiielts iit 1.W G., iiud is IL priiiiury diiriiiiiic, siiicc ouc iiioleciiliir proportion coiideiiscs with two molcculiir proportious of aii :iltlcliydc, iind it ulss >icltls II tlincctjl dcririitive oii boiliiig with gliiciiil ucctic iicid. It lins the constitiition C5.2. I] IiO .Ii,X .CoII,. O,II .sir,[ 1 . .IJ, nud coliiliiiies with siilic:yliildeliyilc to foriii tliu dcrivutive 110 .C,11,.CI1:S. CJIl. CGII:,(OII)S:CIIC,II l.Oli, which crystiil1ir;cs iii yellowish-brown l c i i f k iiieltiug at 207' C. \\'it11 ~~-iiitrobeitnaldclt~tlc it form-151ig. kit. 25,136, Oct. 99, 1837. 0,s. c y .CII :N * CJI l.c~l13(OlI) .s : clIcyr,.so2 11 flitkey oriiiigc-red powlcr wcltiug ;it 218' C., whilst the tliiicctyl tlcrivirtivc iiielts :it i!ti'Jo 0. It is ~I V~O B~I~ to ~I l l p~t J~ the produel :is n photognipliie derclopcr or for prodiiciiig dyestiilrs. Oilier iicrt~lirted p-osyiizo C O i i i~i l l i J i i l~S bcliiirc siiiiiliirly. provitied tlic position Iiiirii to tiic 87.0 group is uuoeeupier1.-1'. A. 12. h'fitck Cuttim l&e.tiit$, l'wiitciivit <# Direct I&&iy. 8. I'itt, Stttton. Proiii L. Cussclla iiiid Co., Uraiikfort-300 litrcs of wuter, 24 kilos. of caustic soclu-lye (.loo It.), ant1 i ' G kilos. of foriiiuldcliycle (40 per cent.), irrc lreutctl togctlrer iiiitil the siiicll of formd~leliydo IIUS tlitiappcirrctI. 'Uic soliitioii is filtered itnil iicutriili~cd irt 3 0 O C. wit11 licetic ncitl, wlieii the coiitleiisiition product, tetniiiictliyltliiiinidodiligtlros ytlitolylinethniic, is prccipitiitcul. A blue clgcsttiff is ol)t:iiuetl rrroni this wlicii 10 kilos. of it, togctlier wit11 19 kilos. of iiitrosodiiircthyliiuilitic Ii~tlrocliloritlu Iiiid 50 litres of spirit iirc Iicutctl untlcr a reflus coiitlciiser until thc uitroso coiiilioiiiid liag 11is:ippc:ircd. 'i'h melt is tlicii diluted with 500 litrcs of hot witer, sodiiiiii ncctnte is cirldcd ti) precipitiite iiiipuritics, niid tlie filtered solutioii is irrixed with snlt uiid zinc chloride. -1 coppcry rcsiiioiis iiiass scpnrutcr, wliicli soliilifics to grceii crystirls hiiviug tile saiiic properties afi those iilrendy tlcscrilwtl iu tlic specifietitiom iiiciitionctl above. 111 pliicc of iiitri~so~~iiiictli~l~iniliiic, iiitrosoilictliyliiuiliiic or bcuzcuc-iizo-ilimet Iiylniiiliue ur;y IJC clllploJcd.--T. A. I,. ~~i -O . r~~b r~i t : c t l i l i~I t~~e -o -S i t /~~h u i i i~~ Acid, JIunttJucIurc o$. 0. liiri:iy, I4uir~1t)ii. Proiii Fiirbwcrke wrriiuls hleistcr, Lucius iirrrl Hriiiiiiig, I Iowlist-:i/Afiiiri, C;enu:iuy. B11g. Pur. 28,707, Dcc. 4, 1697. m-O~TURS%ALD~:IITI)E, suid 10 LC of grciit valiic in the iiiirtiiiig of wit1 tlycstiifIs or tliu IIulachitc (irccu series, c:iuuot lie su1liliou:itetI iii tho iisu:il wiy. Tlic process is cluiriictl for tliu miiniifirctiire of the ~iilplioiiic iicitl of ni-osyboitziiltlclrytlc [GI10 : U l i : SO:III = I : 3 : G], which coiisists iu cliirsotisiiig tlic corrcspoiitliiig iiiiiidobeiiriiltluliy~lu siilplioiiic licit1 in ticid soliitioii niid boiiiiig tliu solutiou uiitil the cvolutiou of Iiitrogcu ceirsc~. Tlie protliwt is ulso cliiiiiicd,-A. C. l\r. V.-TEXTILES : COTTON, WOOL, SILK, Etc. 1140 THE JOURNdL OF THE BOarPTY OF UHENIClAL INDUSTRY. [Dcc.31,180S. to tlie citustic soda bnth. It Iins long been known tliiit glyccriu woitld nnsrvec tlic sdmc purpose (ir. 1<oecliliri). I n the French I'rrtcnt. 264,546, AIiirch 2, 1897, the :idditiori of iilcohols, cstors, hydrocarbon$, csscnccs, Ecc. is rccomiiiciidecl. Witli tlic IIBC of theso substnnccs tho slirinkagc nmountr to 3-5 pcr cent. ; tlic stntciueiit tlint glucorc prcvciits (111 eontrnctioo, needs more eorifirmiitiori.-A. C. 11' . Cotloit Film, Tiic Dcstructioii ?I; t?bC Loirer Fiiiiyi. I[olle. 3Ieetiiig of tlic 1iotniiic:il Section of the Socicty of Gcriiinn Scientists and I'liyt;ici:ius itt Diisseldorf, tbrorigli Chcm. Zeit. 1Y98, 22, 924. IT wiis observed that niw cotton, ilamiigcetl by sea-wictcr and iillowed to rcniriin iii t i iiioist coiitliticiii, b~!c:iiiie so ivcnkcncd thnt it bcc:itiic utterly unlit for fipiniiiiig. At tlic siiiue tiiiic IL discoloration, prirtly grceii iind prirtly Iiroan, iiiid II most clisagrcciiblc odoiir were devclopctl. Tlic ;uitlior luis stidietl niitl prcprircd qicciiiiens of the fiingi, wbicli Iiriiig iiliout this dctcrionition of niw cotton. 111 601no CIIECR tlicy :ire coloiirlcss, and ciin only be tlistirigi~islial by stiiiiiing, iii others thcy :ire brown colourcd. Hlcoclietl urisixctl cottoii stroiigly resists the attack of fiingi ; liiit, unless tlic Fire corituiiis 1111 antiseptic, nioi?;t storiige of sized cotton is npt to eiiiise II wciikeiiiiig of tlic filirc, diie possilily to tlie orgrinic iicitls prodliceit by tlic dccorrtpositioo of the aizc substiiiicc (stiirch, kc.)--6. P. D. Cof/oii Aibrir..~, T h e dIcrcci~isitig qf. A. A, Siiiirtioff nnd Ctwros cloth is uivrccrist.il by pawiiig tliroiigb II rliiiiibcr of tcirikc rigaig f~isliioii, round two Peries of rollers plaeccl Iicirizoiitiilly iic tlie top iiiitl buttoiii of tlic tniika. 'I lie first taiik coiitiiins the incrcerising ~oliitioii, ciiustic S G~U of .loo I%" tlic cloth :iftrr lciiving passcs through a pnir of sqnccxiiig rollers, ttic upper OIIC of rubber, i i i i t~ the I0;ver one IJf copper, into tlrc 3cconil tiiiik wliicli contiiins only iiir, and lierc tho liquor has tiiiic to net tin tlic goods. TIic tliirtl iind foiirtli tiiiiks contiiin Iioiliiigdilutc cnnstic sotlii soliition. In tbc lift11 iirid wisth compiirtnients, tlic hiliric is w:i~lietl Iiy j e t 8 o f aiiter !iljtced-bet\vccn tho biglitfi, iii tlrc sevcntli any nlkiili rcrniiiiiing IS iieiitniliscd by II boiling tlilutc solution of sullihiiric acid, iriiilst iii tho ciglitli tiiiik tlic iiicrcerir;iiig is hislied by \msliing, :IS iii tlic filth :in11 sixth, witb jets of wrtcr. 't'hc gooils I I I C ngniii waslied with ninuiiig vntcr, wrung out, dyed, nnd 1in:tlly tlricd in II gtrctclicd coiiditioii oii nu orcliiinry tciitcring nincbiiie. In this \my, it is stilted, gloss clrects, equiil to niiy protliicccl I i j more coiiililiciitcd mechincry, inuy bc obtni~icd.--JI. 1. 1;. A. Iioiieutlliil, Piirltcr %tit. 1898, 9, ['%I], 909. &tijcitil SiUi, Note ON 81 NEIP. K. Iincclit. J. SOC. 'hiis proiluct ~ubich is Itnown 116 I'criicliiurci d k , is IL ~irodiict of the nctioii of foriiialile11~clc on gcliitiii. h potutioii of gel:itiii of tlic rcqiiisite consistency, iiiiii miiiiitairird at a tiitiforin ternperatwe, is clclivercd in fiiic tlircads o n to 1111 cntllcss b:uid, 50 itrraiigud thrt oii rciicliiiig tlic en\\, the fihiucnts errir Ire rccled ei)iitiuuoiisly on to bobbjns. T'hey itre tlieri tniusfcrred t o reels, ii sliglit twist Iicing pvei! to the fibre iii the IirOCCFS, iiutl arc placed for so~iic liniirs in nil i~tniospherc of fon~iriltlcligtlc!, ivlien tbc flbrc is rcdy for use. 'l'lio IICW iirtificiiil silk bits n Iiistrc cqiiiil to the Iicst ilctt Fillr, but in nddition sliowtl I L sciiitilliitiiig ciTcct, wliicli is more nlipiircrit in 11 stroiig light. It is tolernbly SlI'lJli& hiit cloel; not cornpiire fiivoiiriibly i i i tlils reslicet wit11 re01 silk. On itnincrsioii iii witcr, it curls iiiid liceoiiics flr11)ly :tilt1 ioiilcr, liiit rcgiiins itfi strciigtli on drying. I t IS iiisulitblc iii ulcolicil, cthcr, ulkiilir, uud cwitls, irird wlicii 11 li$ is eppliittl to it, it liiiriiu like ortliiiitry silk, witli the ~IIIIIC cliiiriictcristia oiloiir OF Iiiiriit \roo1 or ft*:itlicrs. Yullililliru ailk is t l p l iii ~l i c ~iiiiss beIorc tlrnriiig to :I tlirclid or spiiiuiiig, wid ii is s k l thrrt only 1 111. ufcoloiir ia required on nu iivcrnge to pwtlucc LL full rlude WI 9 ctvt. of tlic silk. 'Jbc librc ciiii lie ~I~O I I I I C~~, it is wid, lit :I ~irolit iit 3s. 6iI; ,per I", whilst tlic dyciug cask less tliiiu o*%d, pcr 1b.-1. A. L, Dyers wid Gil. 14, [le], .v4,.-2?gy, -4, Dcc.31.1~~19.'~ THE JOURNAL OF THE SO(XETP OF aEIEMIOAI4 INDUSTRY. 1141 sprinkled on to the yarn, nnd the wustc led oft' by it pipe iit the bottom of the :ippnrutus. When merceriscd, the yiirn i8 witshed by eontinuiug the process with coltl wntcr. To remove. tlic reel is tnken out, its dinmctcr retlnced, nutl the yiirii lifted off (ace iilso this Jonrnnl, 1S98, 149, 240, 345, 45?, 573, 75G, nnd 8.10 ). TuliIc Firlrrics cine1 other Jhilericlls, Impts. in Cocitiny. '~'IIIIEE Iioiinds of gelntin iirc steeped in cold wntcr for 12 lionrs; tlie wiitcr is then riin olf, iintl the product licntccl in :i steiim-jacketed pnn with 8 0%. of glycrrin. 'L'he \vhole is then tlioroughly mixed witli 1 oz. of foriiiic iildchylc. nntl poured t i n to n sniootli siirf:ice, snch as glass, on which ir weak soliition of ox-gnI1 has lieen put. The mntcriiil to bc contctl is Iiressetl on to it tvlicn it is iicnrlg set, biit still tiicky. lly this process fiilirics iire iniide ivhicli Iiiirc all the properties of lcntlicr or 1e:ither cloth.-C. 11. Ilerrclcrirrg iUtrlc~ricrl.~ Fire-prcroj; Znrpls. it, ; ntrd in I Z r l irr-1,. Lityiiski, A. Itdnkietvicz. n i i d F. Eng. l'iit, 14,53Y, July I, Acctiiiiiisc; co the first claiiii, the npplietltiori :iiul use of the iniprtivctl ~irc~i:rriition for the ini~ircg~i:ition of 1111 kinds of coinliur;tible snhstiiiiecs ench :is wootl, pnper, cardlionrd, textiles, striitv, nnti the like, by diicli the snnie :ire rciitlerctl iiiiiutliinim:ilile iiiitl complctcly fire-proof, c\iiiniet~.ri~etl by tlie einployincnt, sqt:imtely or togetlicr, and in combinntion with sodiuin chltrritle nntl n iiecessnry c~r~iintitg of ii snflicicntly strong solntion of de-fiittctl t~iiilI:iiii, glue, gcl:itin, horn, or siiiiiliir niiiniiil snlistnnces, iiiid tlin &I solution bring s:itiir:ited with enrbonic iicid a i d of iitiinguriese cisictc, cnlciuni osidc, pot:i?;siitcn hydrosiilc, potiissiiini carliouiitc, n i i i l sticliurn oxide, or of cliciiiici~l \rnstc or by-prtitliicts which corituin the snit1 s:ilts." For extingni~hiitg fire, the dcmibctl conqtmnti in iipplicd, niisctl with watcr.--I.:. S. IJire-I'rooJiti~g Coinpositiotrs, INIPIS. in. G. S. Dime, Sew TIIE coolposition eon3ists of 1 part of microcosmic snlt atid 15 ~i i i i~s of iininiuiiiuni chloritle. 111 some ciiscs iui iitlditiou is iii:ide to the coniltti?;ition, of 1 pnrt of soilinin or potnssium liornte. IVtrod is trciitctl by drying, iintl imniersion i n the Iieiitcd s011ition of the composition until it is aulficicntl~ sntunitytl to siilk. J,iicc :in11 otlirr f:ilirics :ire subjected to ininicrrioii iind drying oiily. \\'lien cellnloid is to be rendered lire-proof, the coiiiposition is plirced in tlic miiterinl of wliieli tlic cclluloi~l is niiitlc.-l~. S. 4.11. h g . I'nt. 90,812, Dee. lG, 1897. T. 11. l'o~vcll, LOUI~OII. g i t i d~i t~y 1:irc. Knrowski, IAemlicrg, Anstriu. 189R. York, U.S.A. Ihg. I'at. 17,4:U, A n g . 13, 1898. VI.-DYEINO., CALICO PRINTINO., PAPER STAINING, AND BLEACHING. Itiili!/o Ireit, I'rotlirctior~ of IIII ; lry Elcrlro-tlel,ci~i~etl Zinc &its. f. I%~ktroclieni. 1898, 5, [!)I, lf)3-108. IN ii previoiin coiiiniuiiicritioii (this .Joiiriiul, IB!IH, 75'Jj tlic uutlior put for~viinl the view tlint 'the reduction of Indigo Illnc to Iritligo \\'liitc i n tlic tirdi~i!iry iilknline ziiic-dust viit is tlic resiilt of thv direct wtioii of the ziiir! on the Intligo Blue, nut1 not of tlic Iiydrogcii evolve11 Iiy the iiction of tlic zinc on the iilknli. Ilc now tlrscribes some fnrtlicr eqieriwent?; wliich iirc iiitentlcd to suliliort this view. Goppelsroetler, von Wiirrliu, iitid h[~illera~ Iiiive iilrcntly sliown thut the fornitition of nn electrolytic indigo vat in tlie coltl is very incoiiiplctc, bnt tlic iiutlior, ou enrefully repvuting his ox~ieriirrcnts, has rirrired ut tlic cniicliisioii tlurt tlic contlitions iii tliu electrolytic virt iirc uot eoin~rui~ible with tliosc? whicli obtuin in the ortlinnry zinc-dust vnt. 'l'lic tlifferencc is cliicfly dnc to the fiwt tlint in the clcctrolvtic viit, using ciiiistic sodir ns electrolyte, the Iiytlrogen w l~h is evolvctl iit the cnthoi\c cirrries the suspciitled Indigo nloiig with i t npwiirtls tliroiigli tlic solntion, mil ~ciirccly ucts clicniiciilly oii it nt ull. III tliu ziiic-tliist vilt, t i n the otlrer 1iii11d, the Iiidigo reniiiins lying ut tho Iiottoiii, iiiid iII uliiiost quantitutivclj* eoiirertwl into Tnrligo White. A. Iliiiz. If the :uithor's view be correct, then, on replacing the ciiustic sodii solntion i n tlie electrolytic vet by n solution of sodium ziucnte, electrolytic zinc will lie libenited nt thc ciithdc, and the fornitition of the vat should tnkc plnx nitire rcirrlily. Thifi wns proved to lie tlie cnse in the following cxperiwcnt :-The cnthode compiirtwciit corisistetl of ii eylintlricnl vessel 50 em. high wit1 4.5 cm. wide, illto which ~v u s introtluced ii zinc disc (4'5 cni. tliriineter) n n~l :I tightly-fitting zinc cj'tinth' (nrcn of exposed surfiice 217 sq. cia.). 'l'lic nnotlc compiirtineiit, containing IL plntiniim iiiiotlc, w i s iin enrtliencvnre pot 25 cni. high and 1 -7 em. internnl tliirmetcr. 'rhc electrolyte wns Iircpuretl by slow*ly irtlding iL soliition of 7: grins. of zinc acetiitc in 1!)0 C.C. of wnter to 11 solution of 00 gcnrz. of cnustic ~0 t h in 50 cc. of wiiter. A inistiire of 20 grin?;. of Indigo nutl 25 p u s . of fiiieI~-powdcrctl zinr: ncetiitc WIS then tiddcd to 200 C.C. of the nbovc clcctrol~te, iuitl iritrodnccd into the cnthode compnrtiiicnt. whilst the porous p t contuincd 25 e .~. of !he clcctrolyte. The ciirrcut strength cniploycd wns 0 -2 5 itnipere during the day, nntl 0' 15 nmll6rc during the night. .Lfter 72 honrs' continnoiis electrolysis, 20 C.C. \vus withclmrii from the ciitliotli! conipnrtnieiit. In nltpeurnnce it wiis :I brown viit niixcd wit11 sonic iiisolnblegrec~i sulistitnce. After stmiitling for ii sliort time i n II test tiibe, three-fourths of the liqiiitl tvns perfectly clciir, :in11 10 C.C. of this was found to contiiiii G -1 I8 grm. of intligotin nnd to possess ii fiiint biisie suiell. After electrolysiiig for unothcr ~ieriod of JA hours, 10 C.C. of the rut contninctl 0-553 grin. of indigotin, whilst after elcctrolgsin:~ for 46 Iionrs uiore, tlie irniount of indigotin lint1 tliniiuishcd to 0 . 5 5 i grin. in 10 c.c., iintl tlicre n u s ii distinct ruicll of unimoniii. Proiu this expcriluent it follows thut tluring the electrolytic scp:iriitioii of ziuc from II solution of sotliirm zincnte, iL complctc trmsforniiitiou of Indigo liluc iiita Indigo \\'hits trikes p1:ice. TLe rciictioii goes 011 ill the cold, wlierens hylrogcn, witlioiit tlic iipplicntiou of heat, pnicticrrlly docs not irct at 1\11. 111 nnotlicr csperiuieut the iiuthor slioivs thiit if tlic saiiie eiirrciit is sciit t1irongli two sets of tlividcd cclls coiitniiiiiig respcc~ivelg sotlinm zincrrte nntl caustic s o h , tlien fiftccii times 11s mncli Intligo Illiic is truiisforrued iuto Indigo \\'hits in thi: ccll in wliicli zinc is dcpositetl iir in the cell in which only Iiy~iro~cn is evolvcc1.-J. 8. SYIJI~IC, L:.~crrtrititclioir o/: Spicu. Leipzigcr Fiirbcrilnd %engdr.-%c'it. lh98. 47, [I?], 526. See irnder SSIII., j i q e 1191. Ligli!, + d o t i of, OIL l&rd Cuttoti Goods. C. ltliei~iliindcr. I q m g c r I?iirlierrind %eugdr.-Zeit. 1899, 47, [l I], 481482. 1111.: author gives the result< tif some comparison cxperi nients curried tint with cotton dyed to the miue slintlc wit11 niitnrd roloiiring niiittcrs iiritl with tlic so-ciillcd " I)ini~iiiic Coltrurs " (14. Cisxellii niitl Co.). Tile siimltlcz lvcrc esp~)aed nnder gliisri for fonr hours dirily, from JIIIIC 15 to July 15, r i i i t l the follotving oliservntions were nintle :-I . Itrdigu Bluc comlinrctl with Diuinine lllue IE.1:. Hot11 were iinclinngctl uficr 10 diiys. III "0 tlitys tlic foriiicr lint1 hecomc greyish niid tlic lntter rtdder ill sliii~l~~, ivliile at tlic entl of the exposure, tlic indigo Iirid 21 grccnislr, iincl the clinniine colour :I violet Iiuc. Light Ilririr~t~.-Ciitccli~i with " I4icl1ro1oe " coiupcirccl with Diiriniiie llrown hI. IIcre tlic nntural dycstnlF 11:id i n tlnys fiirled less thnn the :irtificinl. :3. Dirr~k Ilre~~c~tr.-C:itccliu iiiitl " IlicIirninc " witti 9wood uiid Bustic ciiiiqiiircd with 1)iniuine Cutechin, 1)iiiliiilrc 13rown 31, I)iniiiine l?iist Yellow, iiiid Dianiine Illi~c t1111ak. The nrtificinl colonriiig iii:ittcrs slio~rctl grentcr r:utlless tlirin the ii;itiirrrl tljestiilb. .I. Grcy.-Siiiiincli on Iron hlortlaiit corn~tiircd \vitli 1)iiimiuc Uliie Ulack, Diiiiiiinc Oriiiige, niid 1)iniiiilie I?list Yellow. Tl~c siimiicli t i i d fiitletl nt tlie eiitl of 10 IIiiYR, tillti i n 30 days w i n Iileiic~icd, wliilc the tliiiiuiiie colonr~ siiITerctl coinl nrrrtively littlc. 5. h r / t Grey UII Iirdiyu Gr~orrrrel.-Ci~~nwootl, I'~icltic, nntl Logwood on iin Aluiu hIortliint coinpuretl witli nititllilie Jlliie Illmck. Very little ilili'ercncc ill firstiices ~V I I B liere noted. , * li 1142 THE 30URNdt OF THE SOOB'lT OF OHJ3lKIGAL INDUSTRY. [l)ec.81.18SS. 6. Dark Blue.-Indigo compnrcd with Diiiniincriil 11liio 11. Thc former I PI I S iinchungcd iiAcr 30 days and the liittcr linil sliffcred but little. A siiuiple dycd with one-fourth thc iimount of indigo nnd topped with logwood, fndcd rniicli more tlinu the iliiiminc colour. 7. 17ioZef.--lo6waod ou Siimncli mid Stiiniious Cliloride compnrcd with ninniiiie Blue 3 1L The liittcr wns hurdly chuiigcd, wliilo tlic former was blciiched by 30 dys' osposl~rc.--n. 1. Soiliutir chruttiite. hipziger Piirberuiid ZCUgdr.-Zcit. 1898.47, [II], 46.1. TJIW siibstiincc wiis first successfiilly lipplied 11s n mordiiut in cotton clyeiiig by 11. Iioeclilin, who prepared it by iiddinp cnustic soda soliitiori ( 3 piirts nt 38' U.) und glycerin (+,ti1 purt t i t 32' 3.) tn tlie mortlanting bntli contiiiniug chromium iiectutc soliitioii (1 part nt %F' 11.). Schmid prefers to dissolve 17.3 111. of prccipitnted chroniium Iiydriitc iii 18 litrcs of ciiustic 8odii (33' 11.). aud to diliitc the product ivitli '61-9 litres of wntcr niid If Ib. of glycerin. In order to keep Schmid's solution, CSCC~S of cniistic sodir is iidtled, orid just beforo iising i : , it is snturnted, by udding tlic rcquisitc m o u n t of chroinnim Iiydmtc. Tlie following dyestuffs will dye on this mortluiit without fiirtlicr iidditions :-lhgoiittt, Poirrier's Violet, Xiliicliitc Green, l'hosphinc, 3Ccthylciie Uliic, Alii~rin, Alizurin Oniiigc, Aliziuiii Uliic, Antlirncciic Blue, Giillocgnniiie, Cocrolcln, Logwood, Quercitrou biirk, l'ersiuii Ihrries, niid Orcliil. If chromc uluin be likuwisc employcd, Uisinurck Iirowii, Victoria 131uc. tlic Eosiiies niid Alkuli Uluc mny iilso bc uppiid on this inordiiiit.-I ! . I. li'oo1,Tlte Morrlwtfitig o/ ; ioith dliittiitriiini Stilts. G. Ebcrle Yirbcr Zeit. 1898, 9, [%I], 312-314. TIIE iiutbors iire Icd to the folloriiig cxpliiuntioii of tlic inordiiiitiiig of wool with iiluiiiiiiiiiiii siilts. A s inoriliiiits, itcicl siilts of strong ucicls are employed beciiiisu of the iiista Iiility of tlieiiluminiuin siilta of the wiikcr iicids. A noriiial iilkuli slrlt of n weak ucid is udilcd us iiii ussistant, un iiitcrchiinge triking pliicc, tlic stronF mid uriitiiig with tlie nlkirliiic biise iind the uluiiiininiii with tlie iveiik acid. Tlio wool sutstuiiec, hy takitig up the iiluniiiiium iiiitl weuk iieid, lielps in tlie hyclrolyeis of the new nluniiriiuiii salt. Souie nppiircnt csccptioiis to the conelusioiis iirriwd iit i n tlic iibove-cited 1i:ipcr rcceivc tlic followiiip espluiiution :-S i i l p l i~~: i /~i i i i~ Acid (accortling to Ostwnltl's nicusurciiieiits:n strong iicid)\vlien used iii tlio mordiintiug b:itli, cserts no iinfiivourable iictiou o i i the siibsequcut tlycirig. This is cspliiiiied by the fiict thut in tlie hot kith tliir wid is tlecoi~iposcd into Cot, CS" iiutl X1Ll. Oxidic aid Niilotiic n moleciiliir \wiglit of not less than &000.-'l'. E. -11. I. E. Iliirniick. Uer. 1898, 31, [13], 1'338-1943. A'(ijilitho1 Ptirple or 1';dct. 1,cipzigei Viirlivr-wit1 %eugdr.-%cit. 1898, 47, [I I], 48G. Titrs rlyestutf, iniinuftictarcd by the Fiiltrik Clieiiiisclier LJcoducte in 'l'lrariii wid Xiilhitwieii, is eiiiploj*cd for dyeicg tlcup violet-bliic slindeu. Yellow resist stylcs iirc obtiiiiicd by printiiig the goods, wliiuli Iiiive bccii previously pitddctl with riiiplitliol~oleiiic, with ii iiiistiiw of st~innoirs cliloride, uliroiniiiii~. acetiitc, iiiid l'erriiiii berries extruut. By lrm~siigcs tliroiigh ii hlutlier iind l'htt uplrurutiin, tliuculour is developed irnd tlic aotto~i iti tlicri ,dyed, iii .~i qiolutiuii of Naphthol Purple, wiishctl, hot soulred; twutetl: with coliirur sulpliutc soliitioii, i i i i t l tiiiully wiislicd uiid driciL-II. I. ~)ec.31,18~8.7 THE JOURNAL OF THE SOUIETP OF CIHEMICJBL INDUSTHY. 1143 Indigo Wliitc, and IOSY by over-reduction " does not occur. A series of cjunntitiitivc determiniitions sliowed that nfter dyeing u nriinber,of fiibrics diiring tlic first dny, nncl thcu stnndiug overmight, the Iinth wns stroiiRer in the morning, nlthoog.h no iidditioii hnd been mnde. Thus, in tlic evcning, 50 C.C. of tlic solution coiitniiicd 0.1448 grm. :is ngiiinst 0 -1528 the next morning. lhit this rccupcintivc power grndunlly tliniiiiislicd, nud iit the ciid of thc sixth day tlie vat coutniucd n Enc bluish-grccu substnnte in suspension, null 50 C.C. of tlic elenr solutioii coubiiiicd 0'1080 grm. A fresh clinrge was theii iiecessitry. 'l'lic genenil conclusiou nrrivcd nt on this point ,is thnt the iuciin pcrceutiigc of Indigo Wliitc iii the liquid iii tlic tlycing viit remains constniit, itntl thcrc is no deposit;. if the eliiirge in the rnnin vnt is renewed at siificient iiiterviils. ' J' o determine tlie pcrccntngc of Iiidigo fixed to thc fibre, tin csperiiiicut wits cnrricd oiit on n liirge serile. III tlic coiirsc of this, 7,759 articles of cutton, with IL total weight of 46,527 kilos. were clycd, of, wliich 4,240 (25,500 kilos.) received n dnrk coloiir, nnd :1,519 (21,527. kilos.) n light or nietliiini coluur, Fur this 3,204 kilos. of Iiidigo p:iste (piire II.A.S.I?. 20 per cciit.) correspuiiding to 640.8 kilos. nf :pure Iutligotin 'were iisctl. 'l'lic niiioiint of Intligotiii fiscd to the fibre lifter the souring, wishing, nntl drying wns tleteriiiined in ench butch by tho gliiciiil iicctic ncid method. (Ihylinski. , Thiv Joiirniil, 1898, 609.) The pcrccntnge of wuter in tlic cotton' wns nllowed for by taking the iiiean results of scvernl deterininntiom. Tlic waste liquor from thc wusliirig wiis collcetctl iii tiinks, ant1 iiltcr subridencc of tlic Tidigotii!, tlic clc:ir superuiitiint liquid \vii6 run off iiiit1 tlic niiiount of Intligotiii iii tlia resitliiul deposit deteriniiicd hy the Iiydrosiilpliitc iiictliod. The results t l m obtniiicd were :-
doi:10.1002/jctb.5000171202 fatcat:l5v4g7qvr5fahp37opy52gtxqy