TABLE OF CONTENTS. 



CHAPTER V. 



Phosphorus — Phosphobetted Hydrogen — Abseniuretted Hydrogen — Arsenious 

 Sulphide — Arsenious Acid — White Arsenic — Arsenic Acid — Boric Acid. 



PAGE 



11. Phosphorus, P. 92 



Preparation 92 



Properties 92 



Use 92 



12. Phospiioketted Hydrogen, PH^. 



Preparation 93 



Properties ----........ 93 



Use - 93 



13. Abseniuretted Hydrogen, AsHj. 



Preparation 9,S 



Properties - - . 93 



Use 93 



14. Arsenious Sulphide, AsjSg. 



Use 94 



15. Arsenious Acid, ASjOj. 



Manufacture ------..-.-. 94 



Properties 94 



Use - - - 94 



Use against insects 95 



Use against rodents - -' 96 



16. Arsenic Acid, AsoOj. 



Preparation - - 97 



Properties - - - - 97 



Use 97 



Use as pickle for seed-corn 97 



17. Boric Acid, BoOg. 



Preparation - - 97 



Properties - - - 97 



Use - - - - 97 



CHAPTER VI. 



Ammonia — Ammonium Sulphide — Ammonium Sulphocyanide — Ammonium Suli'hate 

 — Ammonium Carbonate — Sodium Hyposulphite — Sodium Sulphate — St)Dn-M 

 Chloride (Common Salt) — Sodium Nitrate (Chili Saltpetre) — Aksenite or 

 Soda — Borax — Sodium Carbonate. 



18. Ammonia, NH., 98 



Preparation 98 



Properties -.--......-. 98 



Use 98.9 



19. Ammonium Sulphide (NH4)2S. 



Preparation - - - " 99 



Properties 99 



Use - - - 99-100 



20. Ammonium Sulphocyanide, NH4CNS. 



Preparation 100 



Properties 100 



Use 100 



21. Ammonium Sulphate (NHj)oS04. 



Manufacture - - - " - - - - 100 



Properties ............ 100 



Use 100-1 



22. Ammonium Carbonate (NH4)2C03. 



Manufacture 101 



Properties 101 



Use - , ... ...... 101 



