18 



THE SALTING OF FISH. 



ANALYSES OF COMMERCIAL SALTS. 



The following are analyses of various typical commercial brands 

 of salt: 



Analyses of Vaeioxjs Salts Used for Cltring Fish.'^ 



Determinations. 



Italian 

 salt, 

 Tra- 



pani.6 



Spanish 



salt, 



Iviza.'' 



Domestic 



salt, 

 Diamond 

 Flake, c 



Sodium chloride 



Calcium chloride 



Calcium sulphate 



Magnesium chloride. 

 Magnesium sulphate. 

 Sand 



Per cent. 



95.82 



.32 



Per cent. 

 98.05 



.49 



Per cent. 

 99.78 



L19 



1.75 



.15 



.80 

 .06 



.37 

 .00 

 .00 

 .00 



a The sulphates were all calculated as maimesium sulphate and the calcium as chloride, e.xcept in the 

 case of Diamond Flake salt, where no magneshim was found. In this case the sulphate was calailated 

 as calcium sulphate. 



6 These results were calculated to a moisture-free basis from the data in the table, page 18, Bittmg, A. W., 

 Bureau of Chemistry Bulletin No. 133. 



c Analyst, J. F. Stephl. 



