. Industrial gas 4 (O — I) as has been assumed by some authors). While the losses from the surface of the calorimeter may beeliminated by the method of compensation described above, theprocedure is not to be recommended for several reasons; (a) it iseasier to maintain the inlet water at room temperature; (6) thetables of corrections for atmospheric humidity (see p. 77) wouldnot be applicable and, since the compensation would differ fordifferent calorimeters, separate tables of corrections for atmos-. tuo Industrial Gas Calorimetry 57 pheric humidity would be necessary for each ty
. Industrial gas 4 (O — I) as has been assumed by some authors). While the losses from the surface of the calorimeter may beeliminated by the method of compensation described above, theprocedure is not to be recommended for several reasons; (a) it iseasier to maintain the inlet water at room temperature; (6) thetables of corrections for atmospheric humidity (see p. 77) wouldnot be applicable and, since the compensation would differ fordifferent calorimeters, separate tables of corrections for atmos-. tuo Industrial Gas Calorimetry 57 pheric humidity would be necessary for each type of calorimeter;(c) for most of the calorimeters included in these tests the surfaceheat loss, when the inlet water is at room temperature, is so smallthat it is inadvisable to modify the method of operation in orderto compensate for the loss. The method of operating with theinlet water at room temperature is therefore preferable. (c) Position of Burner in Calorimeter and Use of RadiationShields on Burner.—Merely holding the hand under the bottomof the calorimeter when the burner is lighted makes it evidentthat some heat is being lost from the calorimeter. The amountof this loss will evidently depend to some extent upon the positionof the burner; that is, it will be larger if the burner is set low, andmay be diminished by raising the burner. The loss may be fur-ther diminished by mounting on the stem of the burner severalradiation shields which may be made of thin polished metal disksperforated to admi
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