The chemistry of plant and animal life . Fig. 94.—Bomb calorimeter used for determiningthe caloric or heat-producing value of Fig, 95.—Bomb calorimeter, showing interior structure and working parts,Atwater, Conn. (Storrs) Agr. Expt. Station, annual report, 1897. 330 AGRICULTURAI, CHEMISTRY means of a press. The object of making the materialinto a pellet is that it may form a compact mass andburn evenly and not be scattered about in the calorim-eter cylinder and be only partially burned. The pelletis placed in the small platinum crucible O (Fig. 95).This crucible is supported by platinu
The chemistry of plant and animal life . Fig. 94.—Bomb calorimeter used for determiningthe caloric or heat-producing value of Fig, 95.—Bomb calorimeter, showing interior structure and working parts,Atwater, Conn. (Storrs) Agr. Expt. Station, annual report, 1897. 330 AGRICULTURAI, CHEMISTRY means of a press. The object of making the materialinto a pellet is that it may form a compact mass andburn evenly and not be scattered about in the calorim-eter cylinder and be only partially burned. The pelletis placed in the small platinum crucible O (Fig. 95).This crucible is supported by platinum wires attachedto the cover of the calorimeter. Above the crucible asmall coil of fine iron wire is stretched from theplatinum wires. The cover is screwed tightly upon thecylinder of the bomb and oxygen is admitted froman oxygen tank under pressure through valve G ofthe cover until a pressure of twenty atmospheres issecured, when the valve is securely closed. The bombwith the substance to be burned, and charged withoxygen is placed in the metal cylinder Q, which con-tains a definite amount of water, the temperature ofwhich i
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