148 IOWA DEPARTMENT OF AGRICULTURE. 



CREAM OF TARTARS. 



4. Tone Bros No calcium, phosphates, starch found. 



5. E. A. Knudson Starch, calcium, phosphates, sulphates 



and alum found. 



6. Laughran & Bauer Trace of calcium. 



7. C. Hamilton Starch, alum, calcium, phosphates 



and sulphates found. 



CATSUPS. 



1. Mennig & Slater Preservative, benzoic acid. 



2. Rollins Vinegar and Pkl. Co. . Preservative, benzoic acid. 



3. Reid, Murdoch & Co Preserved by benzoic acid. 



PICALILLI. 



1. Rollins Vinegar & Pkle. Co. . . Preservative, saccharin. 



ANALYSES OF VINEGARS. 



Purchased Per Ct. 



No. from Acidity Solids Ash. Remarks 



1. J. A. Kenyon 4.43 .359 .079 Malic acid, sulphates, phos- 



phates not present. 



2. Crispin & Duncan 3.99 .35 .034 Malic acid, sulphates, phos- 



phates not present. 



3. S. C. Brumfield . .4.66 .52 .097 Malic acid, sulphates, phos- 



phates not present. 



4. J. J. Grove 4.80 .37 .03 No malic acid. Phosphates 



present in very small quan- 

 tity. 



5. J. B. Kooser & Co 4.87 2.01 .19 Phosphates were present in 



some quantity. Strong in- 

 dication of malic acid. 



6. C. Hamilton 5.65 .61 .047 Very small quantity of phos- 



phates present. No precip- 

 itate with lead acetate. 



7. B. A. Knudson ..5.92 1.90 .29 Phosphates present in quite 



large quantity. Heavy pre- 

 cipitate with lead acetate. 



8. T. J. Miller & Son 5.78 .52 .029 Phosphates present in very 



small quantity. Slight pre- 

 cipitate with lead acetate. 



9. T. J. Miller & Son 4.83 .68 .073 Very small quantity of phos- 



phates. No precipitate with 

 load sub acetate. 



10. Tjlden Bros. & Co. 5.04 3.12 .30 Heavy precipitate of phos- 



phates. Good test for malic 

 '" " acid. 



11. J. W. Adams 4.84 .40 .039 No phosphates. No malic 



acid. 



12. J. J. Grove 5.47 1.95 .26 Strong test for phosphates. 



Slight precipitate with lead 



