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Headspace analysis method for headspace sampler

Time:2018/11/14   Pageviews:5    Share:
  This is an article about Headspace analysis method for headspace sampler. If you are interested, please contact us!

At present, there are five types of headspace analysis methods: manual mode, gas tight needle injection method, balanced pressure system, loop pressure system, and static-dynamic compensation. The following are the characteristics of each of these injection methods headspace vials.
First, manual mode (oven or water bath method) Manual Injection
(1) The sample reaches thermal equilibrium after heating
(2) Extract the sample with a syringe
(3) quickly get the gas phase on the injection analysis
Second, the gas tight needle injection method Gas-Tight Syringe Injection
(1) The sample reaches thermal equilibrium after heating
(2) Extract the sample through a heatable gas tight needle
(3) Moving to gas phase injection analysis
Balanced-Pressure System
(1) The sample reaches thermal equilibrium after heating
(2) Using a conduit to pressurize the carrier gas
(3) Samples are injected with carrier gas
Fourth, the quantitative ring pressure system Pressure-Loop System
(1) The sample reaches thermal equilibrium after heating
(2) Pressurizing the sample into the loop
(3) The valve will drive the sample into the transmission channel for injection.
Five, static - dynamic compensation - AutoHS headspace sampler
(1) The technology used provides more means for sample extraction.
(2) Purge mode
(3) Constant mode
(4) Multiple headspace modes
(5) Temperature progressive mode headspace vials

This is the end of the introduction of Headspace analysis method for headspace sampler. I hope it can help you.

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