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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Results 1-5 of 99
Page 8
... cent . II . 0.551 gram of anhydrous chelidonine gave 0.022 gram of nitrogen , or 3.97 per cent . Theory requires 3.96 per cent . By the latter method the following results were obtained : I. 0.412 gram of chelidonine gave 3.33 per cent ...
... cent . II . 0.551 gram of anhydrous chelidonine gave 0.022 gram of nitrogen , or 3.97 per cent . Theory requires 3.96 per cent . By the latter method the following results were obtained : I. 0.412 gram of chelidonine gave 3.33 per cent ...
Page 31
... cent . of the edestin was con- verted into edestan . From the salts of edestin , such as usually constitute the crys- talline preparations as heretofore made by the usual methods , edestan may be prepared just as from the pure and ...
... cent . of the edestin was con- verted into edestan . From the salts of edestin , such as usually constitute the crys- talline preparations as heretofore made by the usual methods , edestan may be prepared just as from the pure and ...
Page 43
... cent . of the edestin , dried at the same temperature . The proportion of this residue obtained from several preparations was found to be as follows : Preparation Per cent .... ..... 4 7 9 10 II 12 13 15 18 1.30 1.05 1.27 1.21 1.40 1.26 ...
... cent . of the edestin , dried at the same temperature . The proportion of this residue obtained from several preparations was found to be as follows : Preparation Per cent .... ..... 4 7 9 10 II 12 13 15 18 1.30 1.05 1.27 1.21 1.40 1.26 ...
Page 47
... cent . brine and then with 50 per cent . alcohol . The inorganic residue obtained in a similar experiment , described on page 49 , contained only 11.41 per cent . of sodium chloride , which shows that in the present case this is to be ...
... cent . brine and then with 50 per cent . alcohol . The inorganic residue obtained in a similar experiment , described on page 49 , contained only 11.41 per cent . of sodium chloride , which shows that in the present case this is to be ...
Page 48
... cent . alcohol . The filtrate and washings , when evaporated , left a residue which , when dried at 110 ° , was analyzed with the following results : TABLE VI . - COMPOSITION OF THE POTASSIUM SALTS FORMED BY NEUTRAL- IZING THE PART OF ...
... cent . alcohol . The filtrate and washings , when evaporated , left a residue which , when dried at 110 ° , was analyzed with the following results : TABLE VI . - COMPOSITION OF THE POTASSIUM SALTS FORMED BY NEUTRAL- IZING THE PART OF ...
Contents
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1030 | |
1128 | |
1136 | |
1140 | |
1206 | |
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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