✍ Scribed by Emeléus, H. J.
No coin nor oath required. For personal study only.
BY OR. H. J. EMELEUS 'l'ltc solvcnt action of ho~lt liqttitl :inititoni:i ntitl liquid snlpliiir diositlc ltns I)ecn known for tiiiiiiy yciirs i i n d , iis in the cnsc of nqiieous solutions, it, is possil)lc to rlivitlc solotions i n citcli of tlicsc two liqnitls into those wlticli contluct clcctricity iincl t,liose which do not. !I'hc pnrticuliir :q)cct of tlic siil)jcct which is rlcnk with in this nrticlc is tlic qncsttion of tlic nniilogy 1)etivccti tlic ioiiiziition iiiitl rciictions of wiitcr, :ininioni:i, iind mlpliur diositlc. Jlucli of t,lic work on ntiinioniii fiolrttions ltns I)ccii carried out i n tlic Unitctl Stiitcs iiiid is nilniiralily tlcnlt ivitli in : I recent iiionogriipli by 15. C. Prniiklin,* from wlticli tlte I)ulk of tlic informiition givcn Iicrc h i s I)ccii tlcrivcd. 'rhc study of sulphur diositlc is niitcli ttiorc recent, iititl tlie writer liiis driiwn his fiicts froin Jiintlcr's ptiblicntions i n Gcriiinn pcriotlicnls.
'l'lic clieniistry of rciictions in liquid nninioniii is I~iisctl on tlic liypotlicsis tltiit liqititl iimnioniii ionizes to Ii sn1nll cstcllt 11s foll0\vs : 2Nl1, + (lI*Sll,)+ + SH:-$ (XIi,)+ + SI-12-!rliis sclientc is coiiipiiriiblc with the scliciiic for tlic ioiiiziition of wiitcr, wlticli iiiiiy Iic written thus : 11 )I+ + SI.1, 2 1 1 ~0 + (II.II'~o)+ + otr-+ (t-i,o)+ $-OH-11 1-1'. + 'I.f2O
\'c scc tit once tlitil on this lrrisis tlie Il+ i i d the NJ.1,ions in liquid iininioniii correspond to tlic 1 C+ iitid tlic 01.1ions i n witer, iintl, iiccortlingly, tliiit t,ltosc sibstiinccs wliiclt tlissolvc in ttiiinioiiiit to give 11-+ or h'll,l+ ions will I)c iicidic, wliilc those thiit give will I)(! iilhlitic. 'I%its, iiiiititoniitni stilts i n liqititl iininionin will bc' :icids, 11s will su1)stnnccs contitining iicitlic I1 iri tlic form of (XII?) or (= NII) groitps. Aniitlcs siicli iis tlic iilkiili iiictnl iiniitlcs will, on tlic othcr liiititl, give NIT, ions niicl will iict 11s Imscs.
Tlic solvcnt iiction of liquid iitnnioniii is fiiirly gcncriil. ' .L' lic iilkiili nictrils tlissolvc i i n t l forin I)luc solutions, from which t h y miy l)c rccovcrctl ~~iicliiingcd. Tlie iilkiilinc ciirtli tiictiils iilso tlissolvc, Ijut on cviiporiiting 131i,6ISlJ'~ lire foiiiiil to Iiiisc liccn fornietl. Jliiny nictnllin Iiriliilcs iinrl cyiinitlcs iiro solul~lc, 11s iirc most nit rites nntl nitrates. Sitlpitntcs, sitlpliitcs, nntl ciirl)onritcs, on tlie otlicr Iiiiiid, iirc priict..icrilly insolublc. Kunicrous orgiiiiic substiitices tire irlso soliilh, ~iltlioii~li the rciictioiis of ~i t ~l i solutions will not I)c tliscitssctl Iicrc. I)ificrcnccs I)ct\rccn t,lic soluldit.ics of ccrtnin substiiiiccs in wiitcr and nnintoiiiii lend to sonic itncspcctctl * "'I'hu Nitrogcii Synteiii id c o i i i l w i i i d x , " by 15. C. l h i i k l i i i , Ainuricuii Clioiiiicirl Society ~I i ~i i o g r i i p l i Swivw.
📜 SIMILAR VOLUMES
Synthesis of h i d e Halides and Nitride Halides and some Related Structural Problems ## K. Dehnicke, Stuttgart (Germany) Reaction of WBrs and BrN3 afford the highly explosive compound WBrgN3 (symmetry class C4,), soluble in CC14: An analogous reaction occurs with UCls and CIN3, affording an azi
A new experimental technique based on spectrophotometric measurements is presented for the study of vapour-liquid equilibrium for (sulphur dioxide + water). The in situ analysis of the vapour phase is performed with the help of a diode array UV-Vis. spectrophotometer equipped with silica fibre light