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5.
The adjustable gas lamp or electric heater should be able to generate enough heat to make the effluent flow out at the distillation rate specified in 8.
Note: If an electric furnace is used for heating, the diameter of the hob should be as small as possible, generally about 75mm; the power of the electric furnace wire should be adjustable from 0 to 1000W
Figure 4 Type Ⅱ condenser
5.
5.
5.
5.
The volume is 100mL, and the scale is 1mL
Figure 5 Receiver
5.
The accuracy is 0.