The preparation of pure phosphoric acid from phosphate of soda, with an account of some experiments on the phosphorus-nitric acid method of manfacture
✍ Scribed by Watson, George
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1892
- Weight
- 626 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0368-4075
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✦ Synopsis
THE JOURNAL OF THE BOUIETY OF OBLBMIOfi INDUSTRY. [3fnrdi31,1m, shnnn, becnusa thnt wnn oiic of thc most difficult tliiugs to' imitatc, ns it wns produced by siicccsivc Inycrs of iintiiriil growth, nud tlic samplc wns bcnutiliillg tloiio. Dr. A. 1'. AITKLS nskcd if cclliiloid nnfi Iinrtlcr tlinn horn. hlr. \V. 1. NACAIMY wit1 Iic lied sccn Rome celluloitl linll!t, siniilnr to the suiiipIc shown, \vhicli on ~tiiiidiiig in it diop window Iind conipletcly colln~iscd. 3fr. J. LAISII nskctl if bottles lint1 bccn iiiniiiifiictiirctl froin tliia iii;itcriiil, iintl if it woiiltl Iic siiitul~lc for liiiitig truiika. Also wlint \vus tlic sizc of the Iiirgcst slicct iuiidc, nnd if tlic elieets coiiltl bc joiiicd together. hlr. Ilocii~s, iii rcply to JIr. I'utcrsoii, said ( I ) tlic iinitntioii of ivory \rus it sccrct ; (Z), the siilistiiiicc wis cnailr wnrkctl on the ltitlic; iiiid (3) II mlvciit liitcl Iiecii olitniiid to do iiwiig ivitli tlic siiicll, liiit tlierc were prwticiil ditliciiltiea iittciidiiig its use. IYitli rcfereiicc to the Cliuiriiiaii's qiicstioiis-( I), tlic gcliitiiioiis iiinttrr tlitl nliriiik iiiitil it \vus tlrictl iii the stoves; iriid (2) ycs, tlic iiiiiiiiifiicturctl articlc got Iinrtlcr us it got oltler. 111 rrgiird to I)r. Aitkcii'ti tliicstioii, celliiloitl \viis Iiurtler tliuii Iiorii. ,\a to Mr. Micudiiiii'a atiiteiiieiit nbout ilie lialls lie lint1 sceii colliipriiip. pcrlupa tlir rcnsoii of this sliriiikiiig WIR tlint t h y hat1 lrcii made too tliiii. '~hcii, iii reply to Jlr. L i i i i K , bottles lint1 not been iiiiitle froiii cclluloiil, liut lie fiiiicicil it \roiiltl lie quite riiitnblc fur tliu lining of triiiiku, if ita iiilluiniiiiibility werr not iiii objcctioii. l'lie Iiirgcst aizctl chccts tlint were inutle wcru 4 ft. loiig x 20 iii. witlc, uiitl tlietiu could cusily be joiiietl togetlier. Imtly, iii relily to it quertioir by tlic Chniriiiuii, lie sirid tlint it \ w n only u tliiu Iajer of celluloid tlitit iviw put upou billiard bnlls.
1'111: lA'r1: I'l~Olr'ESSOII 1)I'l"lAlA It. 'J'IIR CIIAIIIYAS siiitl tliut siiiec their lust iiiectiiig tho luiiid of tlc'ttill I d ugiiiii bccii busy iiiiioiig tliciii, U I I ~ 1111tl inkc!: froiii their iiiidst tlicir viiluctl friciitl I'rofcs~or I)ittiiiur, ile iicctl iiot >rig tliiit iii his deiith they Iiiitl lost iiot o i i l ~ oiy of their collciigiics, h i t it iiiun of ciiiiiiciit positioii iil ticieiicc, uud tlir coiiiinittcc liiitl IircIiiired tliu fnllouiiig rcsolutioii, which t h y proposed to trniisiiiit to Airs, 1)ittiuiir :-'I l'lie Coiiiiiiittcu of tliu Scottitih Scctioii of tlic Society of Clici~iiciil Iiiclu+try Iicrcbp rccortl their ticel' 6c'iiW or the greiit loss tlic Society tius sustiiiiictt by 1111 dcutli of tlicir liitc collciigiic, Profelisor IXttiiiirr, it 10s: wiiicli will bu felt wlicrevcr tlic sciciicu of clicuiistry is kiioivn. 'l'licy dcsirc to csprcss their siiiccrc cuiitlolciicc acid deep apiputliy with liia iridow uud fsiuily iu tkeii ofllict ioii." 1'111: I'lIISPAlt ATTOS OF I'UIt15 PIiOSI'IIOI1IC ACII) I.xOA1 l~lIosl'll'i'rl*: OI: Sol)', \VI'I'lI AS ,\CCOUS'I' or SOXII: ISSI'IIIIIUI'S1'S ON '1'1115 I'HOSI'IIOI~US-SI'I'ILIC ACID JIKrIIoI) OF NAsul?AcrL! II I:. l l Y tlEOIlOI.: \'.iTSOS, V.C.R.
h:iii: pliosplinric ncid is n siilistnncc iiscil to n ccrtniii :stetit iii yliiirnmy, coiistitiitiiig, n s it docs, olio of tho iypliciits of iiictiillo~ilios~iIiiitic syriilis of ruriuiis kiiids. 1 lie iicitl, uaiiiilly sultl for tlic Iircliiirtitioii of t1icl;u syriip, ,s it thick colourlczs litliiitl of II wp. gr. of 1-750, coiiiiiiiiiiig nlioiit 89 per cciit. of ortlinpliusplioric iicitl. It iiiiist coiifuriii to 1111 thc tests of tlic Ilritisli I'liiiriiiiico~rwii, :hiit iti to wy, it iiiust be free froiii iiotiililc quiiiititics of liiiic, iron, iiiiigiicsiii, or other hisilt n i i l ~s t i i i i c c ~. It iiiiirt iiot cniigiiliitc iilliiiiiicii or protliico it lircci1dirtc wlicii rviiriiictl with iiicrciiric cliloritlu soliitioii. Scitlicr tiiiiy it :iiiitiiiii nitric ur aulpliiiric iicitls, iriiil it iuiist be tibaolutely rrce froiii nrsciiic.
It is coiiiiiiuiily prc1iiirct1, so fnr ns I niii ii\v:irc, f r L i i i ~clloiv ~iliosplioriia, biit iis this hitter siilistiiiicc is itaelf ~iiiitlu froiii criitllt phosphoric acid bg iiicitiis of carbuiiiiccoiis rctluctioii, it is cvitlciit that tliu .prc~iiinitiuii of liiirc pliuspliuric iicitl froiii plioqihorii~, v i e i w i l iii coniuiictioii ~i t h tho ~ilio~pliurii~ iiiiiiiiifiiotiirc, is cssciitiiilly its Iirepiirittioii froiii eruilc pliosIiliuriu nuid, tliu iiitcriiicdiiitc protliictiou of pliosplioriis bciiig siiiiply n iiictliot~ ,f cliiiiiiiiitiiig tlic rirrious iiiipiiritica iiilicreiit iii tlic crudu rcid.
Ae pliospliorus is n soiiicwliiit ospciiaivc iirticlc, Iiotvcvcr, iiltliougIi Icsc NO I I U ~V tliiiii furiiicrly, tlio possiliility of tloirig utviiy with its iisc iiiitl of Iirqiiiriiig the puru froiii tlic criidu