Page 1. Classification of Coals by Ultimate Analysis (New York Meeting. ... I briefly discussed the evaluation of coking coals by means of ultimate analysis. ...
... In the ordinary or ultimate analysis, the substances generally determined are silica, alumina, ferric oxide, lime, magnesia, alkalies and water. ...
... possibilities, mining is a commer- cial business, carried on for the profit there is in it; and the business of the manager, in its ultimate analysis, is to ...
... (New l'ork Meeting, February, 1930) THE usual analytical determinations made in analyzing coal are comprised in the proximate and ultimate analysis and the ...
... moisture, sulphur and ash, which are the three variable elements in lots of coal from the same mine, without going to the expense of an ultimate analysis or a ...
... While, of course, the probable error of the ultimate analysis is less than this, it seems certainly possible that the cliff'erences between the observed and ...
... Mr. Blauvelt on the chemical and physical tests for evaluating coke and coal: In my work on the study of coke and coal by ultimate analysis, the ultimate...
... few coals have been examined at Pitts- burgh by ultimate and proximate analyses of the different bands, and the results of the ultimate analysis agreed within ...