INDEX 381 



Unsaponifiable residue, in fats and oils 312 



Vanilla extract and its substitutes 259 



resins 260 



Vanillin, in vanilla extract 259 



Van Shjke Method for amino nitrogen in meat extracts 282 



Villavecchia Test for sesame oil 314 



Vinegars 253-258 



Volatile matter, in soils 17 



oil, in tea 336 



Volhard Method for chlorin in plant ash 32 



Water extract, acidity of, in wheat flour 187 



in tea 335 



industrial 49-51 



irrigating , 51-52 



mineral 41-49 



potable 35-41 



Waters 35-52 



Water-soluble material, in leathers 59 



Waxes, in coffees 334 



Wein Method for maltose 103 



Wiley Method for melting point of fats and fatty acids 301 



Wines 193-242 



Winkler Method, as Modified by Drown and Hazen, for dissolved oxygen in water 40 

 Rideal and Stewart, for dissolved oxygen in water 40 



Wintergreen extract 26S 



Winlon Method for soluble solids in coffees 331 



Ogden and Mitchell Method for nitrogen in non-volatile ether extract. . 317 

 Wolff Method for free or combined tartaric acid in baking powders 343 



Yeasts and spores, in tomato pulp, etc 325 



Zinc, in foods 175 



arsenite 69 



THE END 



