INDEX. 



A. 



Abbeville, Somme, phosphates of, 14, 26. 

 Abrolhos guano, 39, 49, 58-9. 

 Acid, acetic, 13, 210. 



— amount to use in dissolving various 



phosphates, 80. 



— carbonic, 3, 11. 



— citric, 13, 208, 210, 215. 



— humic, 140. 



— hydrochloric, 11, 74. 



— hydrofluoric, 78, 110, 153, 154. 



— hydrofluosilicic, 70, 71, 78, 154. 



— metaphosphoric, 10. 



— nitric, 11, 218, 224. 



electrical production of, 271-7. 



— orthophosphoric, 10. 



— oxalic, 210. 



— phosphoric, 1-13. 



citrate, soluble, 138-40. 



manufacture, 151-4. 



— phosphorous, 9. 



— pyrophosphoric, 8-9. 



— silicic, 4, 154, 209-11, 213, 216. 



— sulphuric, 11, 73-83. 



treatment of bones by, 67. 



of mineral phosphates by, 



67-72. 

 quantity to use for various 



phosphates, 80-3. 

 theory of same, 73-8. 



— tartaric, 13, 210. 

 Adulteration, 22. 



Aerial conveyors, 70, 316-31. 



African phosphates, 58-9. 



Ain-Beida phospates, 37. 



Alabama River pebble phosphates, 34. 



Albin, upper, 22. 



Albumen, 10. 



Alcantara phosphates, 29. 



Alder, potash in ash of, 295. 



Algerian phosphates, 36-8, 58-9, 71, 80, 



82, 83, 132, 136. 

 Algerian phosphate warehousing plans, 



331. 

 Algoa Bay guano, 49, 58-9, 286. 



Allegri's automatic removal of super- 

 phosphate, 116. 

 Alta Vela phosphate, 39, 54-5. 

 Alumina, 78, 80. 

 Aluminic phosphates, 13, 80, 161-2. 



— silicates, 80. 

 Amberg osteolite, 50-1. 



America, North, apatite and phosphates^ 

 29-31, 52-3. 



— South, bone ash, 190-1. 



— — nitrate of soda, 218. 

 guano, 277-86. 



Ammonia blast furnace, 224, 226-8. 



— from bones, 225-6. 



— — coal, 228. 



— — coke ovens, 226. 



gas liquor, 225, 228-30. 



■ — producers, 228-9. 



— — — waste, 255. 



peat, 244-9. 



spent wash, 268-7. 



urine, 243. 



— in soot, 224. 



Ammoniated superphosphate, 143. 

 Ammonium and magnesium phos- 

 phates, 12. 



— and sodium phosphates, 11-12. 



— chloride, 11, 224, 229, 280. 



— citrate, 138-9. 



— cyanide, 233. 



— oxalate, 280. 



— phosphate, 11-12. 



— sulphocyanide, 251. 



— urate, 280. 

 Angamos guano, 56-7. 

 Angaur, Isle of, 39, 48. 

 Anglo-Continental Guano Co., 197, 284^ 



285. 

 Animal charcoal, 191-2. 



— debris, origin of phosphates, 4. 



— waste, conversion of into manure,. 



253. 

 Apatite, 4 (pseudo do., 4), 11. 



— Canadian, 29, 30, 52-3, 69, 81, 83. 



— Norwegian, 27, 50-1, 69. 



— Spanish, Estremadura, 28, 50-1. 



(333) 



