DISCUSSION OF CHEMICAL DATA. 



67 



TABULATION OF MOISTURE-FREE DATA. 



In the following table are assembled those determinations which 

 are considered as especially indicative of the character of a maple 

 sample, namely, the ash figures calculated to a water-free basis, 

 including the soluble and insoluble ash, their alkalinity and their 

 relation to each other, the lead number, and the malic-acid value: 



Ash data, lead number, and malic-acid value. a 



[Calculated to a moisture-free basis.] 



INDIANA. 



MAINE. 



y referring to the corresponding serial numbers in the table beginning on page 20 a complete 

 ocord of any sample may be obtained. 



