โ Scribed by de Castro, J. Paul
No coin nor oath required. For personal study only.
rhough not iinprobnlilc tlintn Iinndful of inid-ciglitccntli century pliilosoplicrs intcrcstctl tlictnsclrcs in pccriug a t tlic lxibblcs tlint rosc wlicn nails wcrc irnnicrscd in dilute sulpliiiric ncitl, tlicrc is yct good rcnsoii to tliink tlint the ncid itself was rcgnrdcil by soinc iiidustrinlists ns of conimcrcial iinportiiiicc. In 1771, wlicii Ward lind bccn drnrl n dccnrlc, and Rocback IVIIS 53, R. Wntson published " l'lnn of Chcmicnl Lccturcs " n t Cniii1)ridgc running into 10 L pages, nncl n short selection thercl'roni woultl i y q m r to I x gcrninnc to the question raised in : L rcccnt ctlitorinl : *' Vitriolic ncitl rcctifictl by distillation : \veal; acid coiniuouly cnllcd spirit of vitriol. Rcsitluuiti, strong iicid, iinpropcrly cnllctl oil of vitriol, *. Qunutity of mntcr nttriictcd froin thc air by n givcn quiintity of oil of vitriol, in :L givcn tiiiie, cstimntcd 11y cspcrimcnt : use of oil of vitriol ns nii hydromctcr. '. Acid of vitriol coiiiliiiicd with tlic fisctl alknliiic salt-Glc~tber's sal wiimlilis. Ccncrnl propcrtics of C;lrrullcr's Sdt." Oiic in:iy pnuse lirrc to rcninrk tlint C;l:iubcr's salt ivns strougly rccoiniiicndctl I J ~ 11. Mend, iirchintcr ((1. 1754) in tlic ti*cntmcnt of sinnll-pos :iiitl of hypoclirondrin (\Yorlis. 1763, 2 , 136 ; 3, 12G), and COI~SCquciitly woiiltl IN in deiiiiind from druggists.
๐ SIMILAR VOLUMES
Equations are developed that permit the calculation of the mean ionic activity coefllcients of Hf, H+, SO,'-(~1') and of H +, HS04-(yl') from the measured practical activity coefficient of sulphuric acid, if cc (the fraction of total sulphate as SOP \*-) and KS (the second dissociation constant of