Outlines of Proximate Organic Analysis: For the Identification, Separation, and Quantitative Determination of the More Commonly Occurring Organic Compounds |
From inside the book
Results 1-5 of 61
Page 18
... gives off pungent , character- istic vapors , containing acetone ( see Acetic acid , 40 , c ) , while Aconitic acid ( 9 ) is formed in the residue . ( The odor is dis- tinctly unlike that of heated Tartaric acid . ) - Citric acid is ...
... gives off pungent , character- istic vapors , containing acetone ( see Acetic acid , 40 , c ) , while Aconitic acid ( 9 ) is formed in the residue . ( The odor is dis- tinctly unlike that of heated Tartaric acid . ) - Citric acid is ...
Page 25
... gives a red color with ferric chloride , green pyramidal crystals with cupric sulphate in concentrated solu- tion , and a yellowish - white granular precipitate with acetate of lead . d . The separation of meconic acid from opium is ...
... gives a red color with ferric chloride , green pyramidal crystals with cupric sulphate in concentrated solu- tion , and a yellowish - white granular precipitate with acetate of lead . d . The separation of meconic acid from opium is ...
Page 28
... give blue to blue - black precipitates with gallo- tannic acid , quercitannic acid , and the tannic acids of poplar bark , birch bark , hazel - nut , uva ursi leaves , lithrum salicaria leaves , the bark of cornus florida and cornus ...
... give blue to blue - black precipitates with gallo- tannic acid , quercitannic acid , and the tannic acids of poplar bark , birch bark , hazel - nut , uva ursi leaves , lithrum salicaria leaves , the bark of cornus florida and cornus ...
Page 31
... give a deep blue color with gallic acid . Ferrous salts give a blue - black precipitate ( distinction from gallotannic acid ) . b . Alkaline solutions of gallic acid turn yellow to brown and black in the air , from absorption of oxygen ...
... give a deep blue color with gallic acid . Ferrous salts give a blue - black precipitate ( distinction from gallotannic acid ) . b . Alkaline solutions of gallic acid turn yellow to brown and black in the air , from absorption of oxygen ...
Page 32
... gives the quantity of gallic acid ( the full ratio being 0.9126 , but allowance is made for solution of a little tannate by the carbonate of aminonium . The ratio between oxide of copper and tannic acid is 1.304 ) . ( Method of FLECK ...
... gives the quantity of gallic acid ( the full ratio being 0.9126 , but allowance is made for solution of a little tannate by the carbonate of aminonium . The ratio between oxide of copper and tannic acid is 1.304 ) . ( Method of FLECK ...
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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