668 INDEX 



Iron and alumina, comparison of methods of estimation 252 



compounds, occurrence in phosphates 279 



estimation 247 



in mineral phosphates, acetate method 231 



estimation 239 



method of Eugen Glaser 234 



Hess 232, 233, 234 



phosphates, Crispo's method 237 



method of C. Glaser 231 



Marioni and Tasselli 239, 240 



phosphates, separation 244 



separation, method of Ogilvie 241 



Wyatt's method 243 



aluminum disturbing effects in determining phosphoric acid 188 



estimation in ash 612, 615 



phosphoric acid 612 



excess in estimation of phosphoric acid 167 



function in plants *9i 



influence on basic slag 191 



Hooker's method 460 



role in absorption of nitrogen 302 



salts, effect on the determination of aluminum phosphate 256 



J 



Jodlbauer method, Halle station 376 



royal Holland station 375 



Jones reductor 171 



Jorgensen's method of determining phosphoric acid 81, 82, 83 



purity of precipitate with citrate 1 04 



Juptner, method with tartaric acid 65 



K 



Kainit, composition 494 



de Roode's method 563 



description 495, 496 



method of analysis 550 



Kerosene emulsion 646 



Kieserit 486 



description 500 



Kjeldahl method, digestion apparatus, Bureau of Chemistry 367 



distillation apparatus, Bureau of Chemistry 368 



for nitrates, official 380 



Gunning modification 370 



Halle station 358 



indicator 362 



Holland station 357 



modification of Asboth 373 



Wilfarth 356 



modifications 355 



modified to include nitric acid 373 



of determining nitrogen 347, 355 



official 363 



distillation 367 



manipulation 366 



reagents 365 



preparation of reagents 352, 354 



