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Manual type: It has a heating oven with several heating holes on it and a gas-tight glass syringe with a glass syringe and a thermal insulation sleeve. This device is characterized by a low price and usually the price should be in the thousands. However, the repeatability of the injection results is entirely dependent on the experience and level of the operator. In addition, the temperature range is not too high by the material of the glass syringe.
Semi-automatic: With a constant temperature furnace top Thermo HPLC vials, you need to manually put them into the constant temperature furnace one by one to balance until the balance time is up to have a manual or manual insertion of the sampling needle into the Thermo HPLC vials. The sampling and injection process is completely controlled by the machine's own sequence, and the sampling and injection system can set the temperature to prevent the sample from condensing during transport Thermo HPLC vials china manufacturer.
Fully automatic type: After the headspace bottle of the headspace sampler is sealed, manually put it on the conveyor belt or the turntable. The top empty bottle will enter the constant temperature furnace according to the user's programmed time sequence. After the robot automatic sampling system automatically injects the sample. . When selecting the type of purchase, the user should ask the manufacturer for the original spectrum and technical data. If it can't be provided, it proves that the manufacturer is making false propaganda.
This is the end of the introduction of Three types and characteristics of headspace sampler devices. I hope it can help you.
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