CBBM1K 



m kfc n - -r . f ... 









iir. 



'rum the tttlponr -alt* ..f the alkalu.r 



tlkalint moUlt in tea 

 i thf nr-t iMtMMo, ' Pad I : " ' ' ' 



are deoompoted 



v are formed. The tulphur thut reduced 

 from the Milphatr* may in |rt. on pataiiiK - 



), M ui|..un.- a- :! S UN w,!.r taMMdi3Jj 



bamttoiidiMd back 



add, which, in turn, daoomnottog the 

 of lime alwayt preaent, would reform 



me alwayt pretent, would reform 

 A certain part of the tulphidat or 



arid wWhi- 



the ferric oxide of the deposit, forming tulphide 

 of iron, which to long at Uto not expotecl 

 action of oxygen rematot ttable. Thto giree the 

 character***) blue color to the great majority of 



>:.!: ' ' ;.--' ,!.-.: 



to tnrnttowalrj 

 looked up to i 



.- c,.i,iertr*l int.. l,lii^-,,|,,rr,| 



totiMttro 



on at the time of their depoti- 

 tion at tne tea oottom, the tulphur of the tul- 



of the tea water.and not from thetolphurof the 



^mt, at to generally tuppoted. The btoul- 



33m7< f ata Md naatnvj EM probabh i 



imilar origin. In the red mud* and clay*, either 

 from the abundance of oxygen to the tuperin- 



the mud or clay, or from the organic mat- 

 nvbotoc ujMll inqoantity, khi mlphfiaol hoi 



iied or it after font 



oddtotd tota f.r.;, liTdraWwkielitkongiTui Hi 

 Imvwatorittk red cok* tothe oopodta, ir maj 

 be accepted at a rule that mnot containing a 

 large amount of organic matter relativel\ 

 iron pretent inrariably l*rtak. 

 ittic nine-black color, while if organic matter be 



Amount, or abtent. the black *ulphide it 



l*roxide of 



km 



immaoinm talt ..f !ht<>-ac*tic aciil 



IT umi lr. 



Tarugi at an excellent tubatitute for the dita- 

 grteable tulphnrwted hydrogen in qualitative 

 * tia. Ammonium thio aoctato u deoom* 

 by hot dilute hydrochloric add. 



BjpowfeaJMmM witi* / 



action, only al^mmooiae and 

 bttofprodwd, wTkai , M * M 

 ..:.. thio acetate to 



4ttog apoc glacial acetic acid with photphorua 

 ptotaeulphida. It boUt ax na C . ae^U but 



-._-.- ,.,. ; , -. v. ..,..; 



yellow volution tt obtained, which b then dilut- 



I- .....:..-.. ' .. : 



AM*****! .. ; .'. : ,.-r...< tfc '.--.,: | 

 l |.n.|r t. 



fur thb Ml 



ue of ammoniutu 



lately no 



terion wat known for 

 tween true com 



f a 

 aixliU- 



The method if Dr. J. H. 

 ing carbonic add to tne air 



JtMtfe ftfM :-.'.:', " 

 a gtren rolume of air to 







another, according to thomat T. P. R Wi 



by operating on two tampttt of the textile ma- 



teriaVuttog a tolutioo ofcMttic toda to one 



ate -uii-r 



On boUing, the wool v 



eata. while the cotton will be left, Inthewcood 

 cate the cotton will be iwnovtd while the wool 

 ID U :,ft. Tl, Ibrr ,:, :.-,;.; 



p further xamtnat ion if required. If a 

 ample be hotted for tome time to SW F^ the 

 ipmlemi u- rvbbtd o d .- .....?, 

 ton will only be ivndered alightly tewoV 

 course to thto catt the character of the wool at 

 i*inutU staple, etc.. will be Jo*. If a Munple be 



-i : ' : .- ' ." ' .' ' 



for tome time to a warm place the cotton wifi 



fc^^ a _ ^^. a afn^ ^1 Aeiev4e&^ a-av^ 



DC (MHTOTOQ* VO WVMUOf MK1 UrjmM UN 



weight of wool to obtained. The Iota b due to 

 cotton, tiat, tlarch, mineral mart or, otr 

 dved mixture* may be boiled to a weak tnlwtlum. 

 ay of Mtto. Wool taktt a fatot pink color: 



!rtt^tiiMaalawAlyttoataimi 



many 



ml 











1 in the hand. 



or of 



near boiling, the metalt are at once 

 at tulphidea, while only the fatotett 'odor of 

 phurrted hydrogen to perceptible. After cool- 

 Ing and flltiring the filtrate U found to contain 

 . -e of the metalt. The com till tan ttt and 

 rapidity of the reaction, particularly in the eata 

 of arsenic, to one of its ttrongett nioommawilt 

 tiona, Thio-aoeUc add it rtadily prepared by 



which are known 



la^n^ 1 addrCat at Ihe 



- ' ' ' - - : ' - ' 



wttfctota* 



uee ther are rwulUof vitoJm> 

 ttote thai akonol feaprodnct 

 ofthefMtlaot: wVtlethe 



