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Determination of the boiling range of industrial volatile organic liquids (2)

 Last Update: 2022-01-18
 Source: Internet
 Author: User

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gas cylinder bracket

analog outdoor thermometer

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5 Instruments

It is made of heat-resistant glass with a capacity of 100mL or 200mL, as shown in Figure 1

Bar-shaped mercury-glass type, nitrogen-filled, enamel substrate, and meet the requirements of Table 1

The user can choose other thermometers that meet the accuracy requirements according to the characteristics of the measured substance

The thermometer should be calibrated before use

Table 1 Thermometer specifications

The ventilation hood using gas lamp, the cross section is rectangular, the top and bottom are both open, and it is made of 0.

When an electric heater is used, a square ceramic plate with a thickness of (3-6) mm, a central hole diameter of 32mm or 38mm, and a side length of 150mm can be used directly on the electric heater

Figure 1 Distillation flask

Figure 2 Distillation device using gas lamp

Figure 3 Distillation device using electric heater

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