616 FOODS AND FOOD ADULTERANTS. 



5525. The Atlantic and Pacific Baking- Powder. 

 [Made by The Atlantic & Pacific Tea Company, New York.] 



Available carbonic acid per cent.. 7. 91 



Cubic inches per ounce of powder at 212 F <tr\ 



PERCENTAGE COMPOSITION. 



Total carbonic acid, CO 2 9. 45 



Sodium oxide, Na 2 O 12. 15 



Calcium oxide, CaO 1.93 



Aluminium oxide, A1 2 O 3 ^ 3.25 



Ammonia, NH 3 v .73 



Phosphoric acid, P 2 O S 5. 71 



Sulphuric acid, SO 3 8. 93 



Starch 37.66 



Water of combination and association by difference 20. 20 



100. 00 



PROBABLE PERCENTAGE COMBINATION. 



Sodium bicarbonate, NaHCO :! 1ft. 04 



(R-sidual sodium oxide, NazO) 5. 15 



Ammonia alum, anhydrons : 



A1 2 (S0 4 ) 3 10.82 



(NH 4 ) 2 S0 4 ,. 2.41 



13.23 



A.eid phosphate of lime, anhydrous: 



Ca :i (P0 4 ) 2 3.56 



H 3 P0 4 5.63 



9. 19 



Starch 37.66 



Water of association (phosphate) and crystallization (alum) III. 73 



100.00 

 5530. Silver King Baking-Powder. 



[Made by Shaw & Thomas, New York.] 



Available carbonic acid per cent.. 4. 99 



Cubic inches per ounce of powder at 212 F 59. 9 



PERCENTAGE COMPOSITION. 



Total carbonic acid, CO 2 6. 12 



Sodium oxide, Na^O 1(1. ;W 



Calcium oxide, CaO 2. 79 



Ammonia, NH/j 104 



Aluminium oxide, Al 2 0:j 3. 75 



Phosphoric acid, P 2 O S > -:' 



Sulphuric acid, SO 3 10,57 



Starch 42. 66 



Water of combination and association by difference 1C> -! 



100.00 



