INDEX 373 



Glycerol, in meat extracts 285 



vinegars 253 



wines 236 



Glycogen, in meat 276 



Goldenberg-Geromonl-Heidenhain Method for total tartaric acid in baking powders 343 



Gorier Method for caflfein in cofifee 332 



Gum, in wines 241 



Gunning Method for organic and ammoniacal nitrogen in fertilizers 7 



Modified, for total nitrogen in fertilizers 8 



Halphen Test for cottonseed oil 313 



Hanus Method for iodin absorption number of fats and oils 305 



Hardness, permanent, in industrial water 51 



temporary, in industrial water 50 



total, in industrial water 51 



Hay Method, Modified, for nitroglycerin in tablets 362 



Hedges Method, Modified, for total arsenious oxid in insecticides and fungicides 64 



Hehner Method for formaldehyde 147 



free mineral acids in vinegars 258 



number, of fats and oils 307 



Herzfeld Gravimetric Method for invert sugar 98 



Modification of the alcohol extraction method for sucrose in beets. . . . 138 



Sachs le Docte Method for sucrose in beets 139 



Hess and Prescott Method, Modified, for vanillin and coumarin 259 



Hide substance, in leathers 61 



Hiltner Method for citral in flavoring extracts 263, 265 



Honey 133-136 



Hortvet Method for volatile acids in wines 239 



and West Method for oil in anise and nutmeg extracts 269 



cassia, cinnamon and clove extracts 267 



Modified, for methyl salicylate in wintergreen extract 269 

 Howard Method, Modified, for oil in peppermint, spearmint and wintergreen ex- 

 tracts 268 



HUbl Method for iodin absorption number of fats and oils 304 



Hydrocyanic acid, in almond extract 266 



Hydrogen sulphid, in mineral water 41 



Indigo carmine 158 



Insecticides 63-77 



Insoluble residue, in soils 22 



Invert sugar, in foods and feeding stuffs 85 



commercial, in honey 135 



Iodin, in mineral water 47 



absorption number of fats and oils 304 



Iron, in mineral water 43 



soils 22 



and aluminium in mineral water 42, 50 



Jorisscn Method for sucrol or dulcin 152 



Test for salicylic acid 142 



