A new inlet system which will be able to be automatically controlled by a computer was developed for the MAT 250 mass spectrometer at Shizuoka University. The new vacuum line was basically combined by air-actuated vacuum valves with stainless steel tube connection attached to a glass diffusion pump, new desiccation traps including the Horibe Trap, a sample reservoir pumped up by mercury, and a carbonate reaction vessel. All the stop valves can be operated by compressed air of about 3.75 atm. Air supply to the valves is controlled by computer programming.
MAT250質量分析用のコンピューター制御新試料導入装置について
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