Outlines of Proximate Organic Analysis: For the Identification, Separation, and Quantitative Determination of the More Commonly Occurring Organic Compounds |
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Page 20
... strong alcohol ( absence of Tartaric , Racemic , and Oxalic acids ) . For a method by treatment of the crystals with alcoholic solution of potassa , see Tartaric acid ( 1 ) , c . Quantitative . - f . Uncombined citric acid , not mixed ...
... strong alcohol ( absence of Tartaric , Racemic , and Oxalic acids ) . For a method by treatment of the crystals with alcoholic solution of potassa , see Tartaric acid ( 1 ) , c . Quantitative . - f . Uncombined citric acid , not mixed ...
Page 23
... strong ammo- nia , but not readily dissolved in slight excess of ammonia ( distinction from citrate and tartrate ) ; slightly soluble in acetic acid . c . If the precipitate of malate of lead is treated with excess of ammonia , dried on ...
... strong ammo- nia , but not readily dissolved in slight excess of ammonia ( distinction from citrate and tartrate ) ; slightly soluble in acetic acid . c . If the precipitate of malate of lead is treated with excess of ammonia , dried on ...
Page 34
... strong sulphuric acid it forms a deep purple liquid . Catechuic acid may be separated from catechutannic acid and the other constituents of catechu by its sparing solubility in cold and ready solubility in hot water . Bengal catechu is ...
... strong sulphuric acid it forms a deep purple liquid . Catechuic acid may be separated from catechutannic acid and the other constituents of catechu by its sparing solubility in cold and ready solubility in hot water . Bengal catechu is ...
Page 39
... strong alcoholic solution of quinovic acid , transforms the latter into an acid and a sugar . The new acid has very nearly the same solubilities as the original acid , but a different compo- sition ( C , H ,,, ) , and forms definite ...
... strong alcoholic solution of quinovic acid , transforms the latter into an acid and a sugar . The new acid has very nearly the same solubilities as the original acid , but a different compo- sition ( C , H ,,, ) , and forms definite ...
Page 40
... Strong sulphuric acid dissolves it yellow . Nitric acid , of specific gravity 1.42 , and colorless , dissolves it green ; on adding water , a green powder , dinitrogentianic acid , is precipitated . This , on addition of alkalies ...
... Strong sulphuric acid dissolves it yellow . Nitric acid , of specific gravity 1.42 , and colorless , dissolves it green ; on adding water , a green powder , dinitrogentianic acid , is precipitated . This , on addition of alkalies ...
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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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