The chromatographic chamber is 0.75 meters high and 0.80 meters wide. The table top is 0.5 meters away from the wall. The exhaust gas of the TCD detector is connected to the outside with a pipeline. Chromatography gas can be used as an air compression pump, hydrogen can be used as a hydrogen generator, and a three-gas generator is also available. The chromatographic chamber should be equipped with a sample processing room. The sample processing room should have a fume hood, water supply, and medicine cabinet.
Circuit: Single-phase three-wire (fire, zero, ground), three-phase five-wire chromatographic room.
Gas path: Generally, there are three kinds of gas pipelines, nitrogen, hydrogen, air, and conditions can be added with helium. The gas is routed between the outdoor cylinders and enters the room. After the filter is added to the indoors on the gas path, the total pipeline is distributed to each chromatograph through a pressure regulator, and a needle valve is added before each chromatograph is connected.
Ventilation: The chromatographic room has hydrogen gas and carbon dioxide emitted by combustion, so it should have good ventilation. Generally, it is 400×400mm from the ground 200mm below the side wall of the corridor.
Louver vents.
Room temperature: The temperature of the chromatographic room is generally required to be 22-27 degrees. The large laboratory uses the whole air conditioner. The air outlet of the air conditioner should be located in the upper part of the room. The wind cannot blow the chromatograph directly.
Liquid chromatography is a classic and effective method for separating and analyzing proteins, peptides, amino acids, complex organics, and the like. Most of the low volatility organic compounds can be separated and detected using liquid chromatography. Since the components have different physical or chemical properties, when they pass through different separation media or change the separation conditions, the difference in retention time can be utilized to effectively separate the desired components. Liquid chromatography by pressure can be divided into high pressure liquid chromatography, medium pressure liquid chromatography and conventional liquid chromatography. Liquid chromatography can also be used to detect samples using one or more detectors: UV, conductivity, pH, fluorescence, electrochemistry, infrared, circular dichroism, refractive index detector, mass spectrometry and bioreactor Wait. At present, liquid chromatography plays a very important role in molecular biology, pharmacology, organic chemistry and other research.
The liquid chromatography room is 0.75 meters high and 0.80 meters wide. The table top is 0.5 meters away from the wall. The liquid chromatography is not easy to be placed in a room with gas chromatography. The liquid chromatography room should be equipped with a sample processing room. The sample processing room should have a fume hood. Water and sewage, medicine cabinets.
Circuit: Single-phase three-wire (fire, zero, ground), three-phase five-wire chromatographic room.
Ventilation: There is organic gas in the liquid chromatography room, so it is necessary to have good ventilation. Install the exhaust hood above the instrument (as shown in the figure). Use a roof fan. Generally, the room is located 200mm above the ground on the lower side of the corridor side wall. ×400mm louver vents.
Room temperature: The temperature of the liquid chromatography chamber is generally required to be 22-27 degrees. The large laboratory is equipped with an overall air conditioner, and the air outlet is located at the upper part of the room.


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