260 ANALYTICAL CHEMISTRY. 



One c.c. of normal acid is the equivalent of : 



Gramme. 



Ammonia, NH 3 . . . 0.01701 



Ammonium carbonate, (NH 4 ) 2 CO 3 0.04293 



Ammonium carbonate (U. S. P.), NH^HCOg.NH^NHaCOjj . . 0.05226 



Lead acetate, crystallized Pb(C 2 H 3 O 2 ) 2 .3H 2 O 1 .... 0.18900 



Lead subacetate, Pb 2 O(C 2 H 3 O 2 ) 2 1 0.13662 



Lithium benzoate, LiC 7 H 5 O 2 2 0.12772 



Lithium carbonate, Li 2 CO 3 2 0.03693 



Lithium citrate, Li 3 C 6 H 5 O 7 2 0.06986 



Lithium salicylate, LiC 7 H 5 O 3 2 0.14368 



Potassium acetate, KC 2 H 3 O 2 2 0.09789 



Potassium bicarbonate, KHCO 3 0.09988 



Potassium bitartrate, KHC 4 H 4 O 6 2 0.18767 



Potassium carbonate, K 2 CO 3 0.06895 



Potassium citrate, crystallized, K 3 C 6 H 5 O r H 2 O 2 . 0.10789 



Potassium hydroxide, KOH 0.05599 



Potassium permanganate, KMnO 4 3 ' . 0.03153 



Potassium sodium tartrate, KNaC 4 H 4 O 6 .4H 2 O 2 . 0.14075 



Potassium tartrate, 2K 2 C 4 H 4 O 6 .H 2 O 2 0.11734 



Sodium acetate, NaC 2 H 3 O 2 .3H 2 O 2 . 0.13574 



Sodium benzoate, NaC 7 H 5 O 2 2 0.14371 



Sodium bicarbonate, IS T aHCO 3 0.08385 



Sodium borate, crystallized, Na 2 B 4 O 7 .10H 2 O 0.19046 



Sodium carbonate, crystallized, Na 2 CO 3 .10H 2 O .... 0.14272 



Sodium carbonate, Na 2 CO 3 0.05292 



Sodium hydroxide, NaOH . 03996 



One c.c. of normal sodium carbonate, potassium hydroxide, or 

 sodium hydroxide, is the equivalent of: 



Gramme. 



Acetic acid, HC 2 H 3 O 2 0.05986 



Citric acid, crystallized, H 3 C 6 H 5 O 7 .H 2 O 0.06983 



Hydrobromic acid, HBr 0.08076 



Hydrochloric acid, HC1 . 0.03637 



Hydriodic acid, HI 0.12753 



Hypophosphorous acid, HPH 2 O 2 0.06588 



Lactic acid, HC 3 H 5 O 3 0.08989 



Nitric acid, HNO 3 0.06289 



Oxalic acid, crystallized, H 2 C 2 O 4 .2H 2 O 0.06285 



Phosphoric acid, H 3 PO 4 (to form K 2 HPO 4 ; with phenol-phtalein) 0.04890 



Phosphoric acid, H 3 PO 4 (to form KH 2 PO 4 ; with methyl-orange) 0.09780 



Potassium dichromate, K 2 Cr 2 O 7 (with phenol-phtalein) . . 14689 



Sulphuric acid, H 2 SO 4 0.04891 



Tartaric acid, H 2 C 4 H 4 O 6 0.07482 



Oxidimetry. Potassium permanganate. The substances gen- 

 erally used as oxidizing agents are potassium permanganate and 



1 With sulphuric acid and methyl-orange. 



2 After ignition. 3 With oxalic acid only. 



