Journal of the American Chemical Society, Volume 24American Chemical Society, 1902 - Chemistry Features definitive articles and communications, as well as book and software reviews, covering all areas of chemistry. |
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Page 3
... ( acetic acid ) water upon the steam - bath until exhausted of its alkaloid . The combined reddish , transparent filtrates con- tained the total alkaloids as acetates . The chloroform held by the marc was entirely recovered by passing ...
... ( acetic acid ) water upon the steam - bath until exhausted of its alkaloid . The combined reddish , transparent filtrates con- tained the total alkaloids as acetates . The chloroform held by the marc was entirely recovered by passing ...
Page 4
... acetic acid , precipitating with ammonia and shaking out with ether extending over a period of fully three months , the entire alkaloidal product was worked up . All fractions of the prisms . were united as well as those of the needles ...
... acetic acid , precipitating with ammonia and shaking out with ether extending over a period of fully three months , the entire alkaloidal product was worked up . All fractions of the prisms . were united as well as those of the needles ...
Page 11
... acetic acid , much less so in dilute acid . The nitrate separates from aqueous solutions in very small clusters of needles which in mass appear almost jelly- like , or gelatinous . Precipitates were obtained with well - known reagents ...
... acetic acid , much less so in dilute acid . The nitrate separates from aqueous solutions in very small clusters of needles which in mass appear almost jelly- like , or gelatinous . Precipitates were obtained with well - known reagents ...
Page 13
... acetic anhydride and sodium acetate under a reflux condenser for several hours . A slight change in color of the solution took place . When the liquid was poured into cold water many small , oily drops separated which , after a time ...
... acetic anhydride and sodium acetate under a reflux condenser for several hours . A slight change in color of the solution took place . When the liquid was poured into cold water many small , oily drops separated which , after a time ...
Page 14
... acetic acid , diluted with water , placed in a separator , made alkaline with ammonia and shaken out with ether . After filtering into a flask , close watch was kept of the progress of crys- tallization and as soon as a small quantity ...
... acetic acid , diluted with water , placed in a separator , made alkaline with ammonia and shaken out with ether . After filtering into a flask , close watch was kept of the progress of crys- tallization and as soon as a small quantity ...
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Common terms and phrases
acid solution action added alcohol addition-product alkaline alkaloid alloys alumina aluminum ammonia ammonium amount amyl alcohol analysis anethol antimony apparatus aqua atomic weight barium hydroxide benzene boiling brucine brucine hydrochloride cadmium calculated carbon dioxide cent Chem chemical chemistry color compound concentrated containing crystals determined dibromide dilute dissolved distilled earths edestin erbium ether ethyl alcohol evaporated excess experiments filtered filtrate flask formed fraction gram gram gave gram silver bromide heat hydrochloric acid hydrogen inhibitive insoluble iodide iodine iron laboratory liquid melting metal method methyl mixture molar molecules neutral nitrate nitric acid nitrogen normal obtained oxalate oxide oxygen phosphate platinum portion potash potassium hydroxide precipitate prepared Pres protein pure quantity reaction reagent residue salt sample Section separated silica silver bromide sodium chloride soil soluble solvent substance sulphate sulphide sulphuric acid TABLE tellurium temperature terbia thiocyanate thorium tion tube washed yttria ΙΟ