666 INDEX 



Fertilizers, apparatus for crushing i * 



definition i 



importations 45 



international methods of determination 66 



miscellaneous, classification 594 



occurrence in nature i 



sampling of manufactured 1 1 , 12 



mixed 13, 14 



valuation 3, 4 



Fertilizing ingredients, trade values 3 



valuation 2 



materials, prices 3 



waste matters as 2 



Fish, content of nitrogen 29 1 



Fixation of basic soils 283 



Flax seed 288 



Florida phosphates, origin 26, 29 



Fluorids, distinction between basic slags and phosphates 222 



treatment in mineral phosphates 278 



Fluorin and silica, loss in analysis 227 



effect on determination of alumina 258 



estimation 247 



Burk's modification 267 



Carnot's method 267 



method of Geological Survey 262, 263, 264, 265 



L,asne 267, 268, 269, 270, 27 1 



modified by Carnot 27 i 



Rose 266 



modification of Wyatt 264 



in bones 272 



occurrence in phosphates 261 



principles of estimation 262 



protection of glassware 272 



signification t 261 



test for adulteration of basic slags 222 



Formaldehyde, determination 650 



discussion of method of analysis 652 



Free acid, determination in phosphates 187 



in superphosphates 189 



phosphoric acid determination 247 



Fungicides 649 







Gas. sampling 6, 7 



Grape pomace 535 



Green arsenoid 633 



vitriol, agricultural uses 603 



Guano 292, 594 



Guanos 606 



estimation of phosphoric acid 607 



Gunning method 370 



for nitric acid 381 



modifications 371 



official 372 



