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PROVISIONAL METHODS FOR ANALYSIS OF FOODS. 



(In order to find the allowable rapidity of the air current proceed as follows: 

 Charge the apparatus exactly as for an analysis, leaving out the carbonate. Start to 



aspirate at the rate of about 50 cc per minute. After two liters have been aspirated 

 weigh the tubes. If they have lost in weight, repeat the experiment with 40 cc per 



