No coin nor oath required. For personal study only.
nkliorrgh it sonictinics nppciircil thnt nn nnnlyst wns doing usclcss work, tlicrc was often somctliinp vcry useful nnd ncccssnry behind i t all.
Dr. J. C h i n k plcndcd for improvcd nicthods of tcaching nnnlyticnl clicmistry, so that thcory and prncticc should be properly co-ordinatcd, and pointcd out, that at onc London cvcning institntc n conrsc TVILS bcing contliictcd on tliosc lincs. Ah. Costc, in his rcply, stiid that t,lic coursc rcfcrrcd to Iy Dr. Qrnnt. \vns innngurntcd by Mr. Clraston CIin1)mnn rib tlic Hnckncy Tcclinical Instit,utc. Judging by tlic syllnl)us, it \vns an cstr:iorilinnrily good conrsc. H o liopd tlint innriy inore such courses would Iw cst~il~lislicd. CHEMICAL SOCIETY I!:ifty-cight ~i c w l~cllo\vs wcrc clcctcd itt tlic ortliiinry scientific Inecting hcld on ~C C c l l l l J e l ' 4, \ \ . l i ~~i tlic I'rcsident, Prof. J. B. Tliorpc, C.B.E., h'.li.S., occnpictl the Chiiir. lh. . I ) . J t . llnnciin discusscri :-Xitrogctt !f'ri-iodkZc. [\'it11 H. W. Crcmcr.] It is sliown t.lint nitrogcn tri-iotlidc of tlic coinposition indicated I)y the forniolii NI, cnn bc prcpnrcd by tlic action of dry aininoiiia on solid iodorlil~roniitles, e.g.
๐ SIMILAR VOLUMES
## CHEMISTRY AND INDUSTRY 8Q5 been found to give about 95% purification of bcct sugar effluents, thc product being satisfactory for disposal in a river. Gas wor11s' liquors could also bc treated by the bacterial filtcr method, but i t was rather espensive owing t o the short life of the filters. T
Street, W.C. 1, tlic subject being I' H~iiioglobin." Tlic Physicnl Socicty 'of Loiiclon and tlic Optical Socicty liatl invitctl tlic atkndaiicc of Fcllo\vs at tlic nniiual cshibitioii of scientific apparatus to bc licltl on Ja,niiary 5, G, and 7, at the Impcrial Collcgc of Sciciicc and !L'ccliiiolog