456 



INDEX. 



Acetic acid 



disturbances referable to the 

 quantity of newly-formed, 

 127-129 



formation of, by the action 

 of platinum black, illus- 

 trated, 24, 25 

 for technical purposes, 240 

 free, in the water of a river 



of Brazil, 24 

 from calcium acetate, Volck- 



el's method, 258-261 

 from lead acetate, 256, 257 

 from sodium acetate, 262- 



265 



from strong vinegar, 255 

 glacial, first obtained by 



Loewitz, 18 



influence of, upon the vine- 

 gar ferment, 106 

 in the mineral water of 



Briickenau, 24 

 in wine, 177 

 limit in vinegar of, 106 

 method of fixing it on lime, 



256 



mode of obtaining, 42 

 Mollerat's method of prepar- 

 ing, illustrated, 263-265 

 most suitable varieties of 



wood for, 229 

 oil of lemon as a test of pure, 



266 



origination of, 23, 24 

 preparation of, from com- 

 mercial acetates and 

 from those obtained 

 from wood - vinegar, 

 256-265 



of vinegar with a high 

 percentage of, 119, 

 120 

 of, without distillation, 



257, 258 

 principal acetates used for 



the preparation of, 256 

 properties of, 42, 266 

 pure concentrated, prepara- 

 tion of, 253-266 

 quantity of air required to 

 convert alcohol into, 

 45, 46 

 of oxygen required for 



the formation of, 45 

 replacement of hydrogen by 

 a metal in, 266, 267 



Acetic acid 



samples for the determina- 

 tion of, 122 

 Schnedermann's method of 



preparing, 261, 262 

 still for the rectification of, 



260 

 strong, from copper acetate 



(verdigris), 18 

 summary of the formation 



of, 37 



table of content of alcohol 

 required in a liquid 

 for the production of 

 vinegar with a cer- 

 tain content of, 108 

 of theoretical yield of, 

 from alcohol, 107, 108 

 tables for determining the 

 content of per cent, of, in 

 vinegar of specific grav- 

 ity, 452, 453 



theoretical yields of, 44-48 

 theory of the formation of, 

 established by Doberei- 

 ner, 21 

 variations in the specific 



gravity of, 42 



yields of, obtained in prac- 

 tice, 48, 49 



aldehyde or acetaldehyde, 39, 40 

 anhydride, determination of, in 

 vinegar, or acetometry, 204- 

 209 

 ether, 40 



addition to vinegar of, 145 

 composition and properties 



of, 174, 175 



preparation of, 173-175 

 Acetometry or determination of acetic 



anhydride in vinegar, 204-209 

 Acetone, crude, how obtained, 242 

 or dimethyl ketone, 234, 235 

 preparation of, from barium ace- 

 tate, 271, 272 

 properties of, 234, 235 

 Acetous degeneration of wine, 177 



remedies for, 177 

 fermentation, change of fusel oils 



in, 39 



induction of, 37 

 products of, 38-49 

 summary of the processes 



taking place in, 38 

 Acid, acetic, 42, 44 



application of, 43 



