FKE EZ I IiC;- P0IST IS TE K S A K I' XI I X T U K E S
RY J ~ H K WAIII)ELL
XcIiitosli states as tlie resiilt of liis n-orli' that the additioii of a siihstance to a binar!- solution iii eqiiilibriiini n i t h a solid phase, raises the freeziiig----point if the substance added be iioiimiscible with the coinpotlent appearing as tlie solid phase, OII the otlier hand the freezing-pciiit is lowered if tlie component added be tioniiiiscihle n-itli the coiiiponeiit irliicli does iiot appear as solid phase :md the l o w e r i i q is greater than if the siilistaiice were added to the 11111-e soli-ent. In the third case, where tlie three coiiiponeiits are iiiiscilile, tlie siiiii of tlie siiigie depression is iisii:ill!. greater tliaii the depression for the inistiire. AIpeciiliar iiiodificatioii of tlie lnst case is \vlieii the solutes are rexlily niiscible with e:icli other aiid oiie soliite rexlil!. iiiiscihle \vith tlie sol\.ent while the secoiid soliite is 11iit spiriiigly iiiiscihle with the sol\-ent a t tile tciiiperatiire of the esperiiiieiits. If the coiiipoiients of a liinary soliition lie A and I
