Outlines of Proximate Organic Analysis: For the Identification, Separation, and Quantitative Determination of the More Commonly Occurring Organic Compounds |
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Page 12
... drop or two of concentrated nitric acid from time to time , if necessary to facilitate the combustion . Submit the residue to inorganic analysis . Examine another por- tion for organic bodies - applying the solvents , as in 134 ( 9 ) or ...
... drop or two of concentrated nitric acid from time to time , if necessary to facilitate the combustion . Submit the residue to inorganic analysis . Examine another por- tion for organic bodies - applying the solvents , as in 134 ( 9 ) or ...
Page 24
... above . b . Solution of meconic acid is colored red by solution of ferric chloride . One ten - thousandth of a grain of the acid in one grain of water with a drop of the reagent 24 SOLID NON - VOLATILE ACIDS . Columbic acid,
... above . b . Solution of meconic acid is colored red by solution of ferric chloride . One ten - thousandth of a grain of the acid in one grain of water with a drop of the reagent 24 SOLID NON - VOLATILE ACIDS . Columbic acid,
Page 25
... drop of the reagent acquires a distinct purplish - red color ( WORMLEY ) . The color is not readily dis- charged by addition of dilute hydrochloric acid ( distinction from Acetic acid ) , or by solution of mercuric chloride ...
... drop of the reagent acquires a distinct purplish - red color ( WORMLEY ) . The color is not readily dis- charged by addition of dilute hydrochloric acid ( distinction from Acetic acid ) , or by solution of mercuric chloride ...
Page 27
... drop of tannic acid solution is mixed with a few drops of iodine solution of the above strength , and afterward a drop of very dilute alkali be added , on evaporation to remove carbonic acid , a bright red color will appear . By ...
... drop of tannic acid solution is mixed with a few drops of iodine solution of the above strength , and afterward a drop of very dilute alkali be added , on evaporation to remove carbonic acid , a bright red color will appear . By ...
Page 37
... drop by drop , with great care , to avoid excess . The precipitate being removed , the filtrate is concentrated for crystallization of the quinovic acid . If the Quinotannic acid is to be obtained , the precipitation by acetate of lead ...
... drop by drop , with great care , to avoid excess . The precipitate being removed , the filtrate is concentrated for crystallization of the quinovic acid . If the Quinotannic acid is to be obtained , the precipitation by acetate of lead ...
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Outlines of Proximate Organic Analysis - For the Identification, Separation ... Albert B. Prescott No preview available - 2011 |
Common terms and phrases
absolute alcohol acetate of lead acetic acid acidulated alcoholic solution alkalies alkaloids ammonia ammonium amylic alcohol anhydrous anilin aqueous alkalies barium benzole bisulphide of carbon blue boiling brown Butyric calcium cent chloral hydrate chloride chloroform color colorless concentrated sulphuric acid crystals decomposed Dextrin digestion dissolves distillation distinction ether fat acids ferric filter filtrate formed formic acid freely soluble gallic acid Gelatin glucose glycerin grams grav heat hydrochloric acid insoluble iodine lactose liquid melting mercuric methylic alcohol mixture naphtha Narceina neutral nitric acid odor ordinary temperatures oxalic oxide permanganate petroleum naphtha potassio cupric potassium precipitate prisms residue resin separated slight slightly soluble slowly solid solu soluble soluble in alcohol soluble in cold soluble in ether soluble in water Spar'g sparingly soluble spec starch Strychnia Sucrose sulphate sulphuric acid tannic acid tartrate taste tion turbid valerate vapor Veratria violet volatile oils washed water solution yellow yellowish
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