Details : 2, and the main technical parameters of a standard. Working Power : AC 220V ± 10%, 50Hz 2. Flask enclosures : hut made of coated black, fitted with a wooden handle. opposite the handle with a can of distilled flask tube will be a shortfall flask cast a rectangular opening observation, window frames decorated with transparent Mica unit. 3. Distilled flask : Hard glass, heat above 500 ℃. Bottle-ball diameter of 70 ± 1mm, bottle-neck rough 16 ± 1mm, pipe and bottlenecks 750 ± 20% of the angle. 4. Thermometer : HCI ℃, dividing a ℃ complies with standards GB514 "petroleum products by using liquid thermometer technical conditions" of distilled Temperature Total provisions. 5. Condensation trough including sinks, and access to water condenser tube connector components, cooling tubes with a 16 × yellow brass refining, smooth inner surface, the inner surface of Ni and Cr plated with 150% of the horizontal angle, If the condenser tube length from the outer surface of the lower measuring 555 ± 3mm, the outlet into a circular shape, height above the water condenser tube joint top of not less than 10mm, and ensure a better cooling effect, condensate tank size of 180mm long x 100mm wide x 150mm high. 6. Heating thermostat : from the heating furnace and Silicon Control circuit box shell composition, power 100W/220V. Heating adjustable rate. 7, and graduated cylinder pressure Rail : 10-ml graduated cylinder, 100 ml of two kinds. 10 ml graduated cylinder at 0.1 degrees ml, 100 ml graduated cylinder to a milliliter. Rail-pressure carbon manufacture, coating appearance for Cu, Ni, Cr stainless steel in water, the pressure on the base of the cylinder, enough to make 100 ml graduated cylinder is not in the water from the jar to refloat. 8. EAF washers : charring silicon manufacture, diameter of 105mm, 50mm diameter, respectively. 3mm band gap and the three. 9. Instrument ambient temperature : 10 ° C -10~+35. Instrument relative humidity : ≤ 85% 11. Power unit : not more than 1100W