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 63
Page 11
... Heat gradually , to prolonged ignition , in a glass tube open at both ends , or on platinum foil . ( 1 ) The substance is permanent : Inorganic . ( 2 ) Carbonizes and burns away , leaving no residue : Organic . See 5 , a . 11 ( 3 ) ...
... Heat gradually , to prolonged ignition , in a glass tube open at both ends , or on platinum foil . ( 1 ) The substance is permanent : Inorganic . ( 2 ) Carbonizes and burns away , leaving no residue : Organic . See 5 , a . 11 ( 3 ) ...
Page 12
... heat . If , after cooling , a solid residue is obtained , test it accord- ing to 3. If there is an insufficient residue , obtain for this examination a larger quantity by distillation , as directed in b . b . Distil from a small retort ...
... heat . If , after cooling , a solid residue is obtained , test it accord- ing to 3. If there is an insufficient residue , obtain for this examination a larger quantity by distillation , as directed in b . b . Distil from a small retort ...
Page 14
... heat in the air , various distillation products are generated , and the mass burns with the odor of burnt sugar and the separation of carbon.- Pure tartaric acid dissolves in cold concentrated sulphuric acid , 14 SOLID NON - VOLATILE ACIDS ...
... heat in the air , various distillation products are generated , and the mass burns with the odor of burnt sugar and the separation of carbon.- Pure tartaric acid dissolves in cold concentrated sulphuric acid , 14 SOLID NON - VOLATILE ACIDS ...
Page 17
... heating — the excess of carbonate being neutralized with acetic acid . The precipitate of calcium tartrate should be heated and left aside for completion , washed with a little water and then with dilute alcohol , and dried ( in a tared ...
... heating — the excess of carbonate being neutralized with acetic acid . The precipitate of calcium tartrate should be heated and left aside for completion , washed with a little water and then with dilute alcohol , and dried ( in a tared ...
Page 21
... heat . The citrate of barium contains a variable quantity of water , and is transformed into sulphate of barium by transferring to a porcelain capsule , burning the filter , and heating with sul- phuric acid several times , till the ...
... heat . The citrate of barium contains a variable quantity of water , and is transformed into sulphate of barium by transferring to a porcelain capsule , burning the filter , and heating with sul- phuric acid several times , till the ...
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
Popular passages
Page 172 - SHIELDS, JE Notes on Engineering Construction. Embracing Discussions of the Principles involved, and Descriptions of the Material employed in Tunnelling, Bridging, Canal and Road Building, etc. 12mo, cloth $1.50 SHOCK, WM.
Page 178 - Light-Houses. EUROPEAN LIGHT-HOUSE SYSTEMS ; being a Report of a Tour of Inspection made in 1873. By Major GEORGE H. ELLIOT, Corps of Engineers, USA Illustrated by 51 Engravings and 31 Woodcuts in the Text. 8vo, 2ls.
Page 173 - CE A Manual of Rules, Tables and / Data for Mechanical Engineers. Based on the most recent investigations. Illustrated with numerous diagrams.
Page 181 - Second edition, revised and enlarged. No. 19. STRENGTH OF BEAMS UNDER TRANSVERSE LOADS. By Prof. W. Allan, author of "Theory of Arches.
Page 174 - CLEVENGER (SR). A Treatise on the Method of Government Surveying as prescribed by the US Congress and Commissioner of the General Land Office, with complete Mathematical, Astronomical and Practical Instructions for the use of the United States Surveyors in the field.