Atomic Votums and Specific Gravity. 



m 



tion, an in- 



)t ; of 34;-^ 



foil rtli, all 



y>Oti thiwving- 59*37 grains into a saturated solution, an in-^ 

 clTease of 34*4' was obtained in the first experiment 

 Hfi a second ; of 34*3 in a third ; and of 34'*2 in a 

 at'ti fert^tieruture about 60°; ....—: ^. ; -: 



9Hr«i II I. Alum, vol.'brsalf --275*2 '^.'^'T^o sd lliv^ 

 .«•!§ DaroixII. ... ... 277-6 ... i.7iinoqx9 Jasd 



oofmtfprJII. ... -> iiJi ^;.!^:^v 274--4. ... \'-is\i\n\R ;\m 



Uol ed) alV. ... n ow jSltiamii g7g-6 ... . 1-7S^ ^> ih'iiim 



. tlB2 ^o 83ala dono t^ediP^^.*! ff^i^S'^^ ^^."^ F^^"* S^'^p' 



.J .r,,:.:... ..,„,, ,^;-, .,,.,.. ,.,li .•vtcii:-!';* . •'•- ■■ >' ^.' -.-.ih dti 7/ 



Sulphate of Alumina and Ammonia^ A\^Og, SSOg + NH4O, 



SO3 + 24HO = 454-26.— 20 grains of this salt dissolved in 



4100 grains of water with an increase of 10*0 at 58°. tjsaT 



Ammoniacal alum, vol. in solution 227" 1 



The eighth part of an equivalent, 56*78 grains, immersed in 

 turpentine, caused a rise in the stem of 34*9 in one experi- 

 .rpienj »nd 351O inaindtljieiv the temperature being 60°. 



' ' '^^ I'^i ?~ ! : M ^'" ':^.; ; j Sp. gr. 



le [Ammonia alum|y6lr0|f Skit 279*2... 1*627 ^»^^- 



m 





T^^ 



Meah 



280*0 

 279*6 



1*623 

 1*625 



Chrome Alum, CrgOg, 3SO3 + KO, SO3 + 24HO = 504*1. 

 — On dissolving 32 grains of this salt in 4100 grains of water, 

 an increase of 13*7 was effected at 37°. 



_ jiiJkii«8t.liou i Chrome alumj v61'.* in solution 215*8 '^'^^ 1 \ '. 



3jB-iodi.''i 



oa-j I In two experiments 63 grains of this salt thrown into tur-Bbo? 



pontine caused an increase of 34*5. 



?ff>n<>Irf3 



Sp. gr. 

 1*826 



Chrome alum, volume of salt 276'; 



l7-on Ammonia-alum, FcjOg, 3SO3 + NH4O, SO3 + 24HO'"^ 

 = 481*03. — On dissolving 30*06 grains in 1000 grains of' 

 water, an increase of 14*3 was obtained at a temperature of 



, Iron alum, vol. in Solution' 2^8 I'looy* :m^hli\o^ 



The eighth part of an equivalent, 60*13 grains, producea 

 an increase of 35*0 measures when thrown into turpentine. 



. ' •■■ ' • ■;'••■■''■■ o '■ 



Ammoniacal iron alum, vol. of salt 280*0 ' ..". "irvlo ." ^ 

 Pyrophosphate of Soda, 2NaO, PO5 + lOHO ='22'f 15.'4rf/r 

 The eighth part of an equivalent of the crystallized pyrophos- 

 phate, 28 grains, dissolved in 1000 grains of water with an in- 

 crease of 11*2 in one experiment and of 11*3 in another, the 

 temperature in both cases being 58°. 



