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US06324894B1 Device and method for measuring argon impurity by utilizing the triple point and the &ggr;-&bgr; transition temperatures of oxygen 失效
通过利用三相点和氧的γ-β转变温度来测量氩杂质的装置和方法

  • 专利标题： Device and method for measuring argon impurity by utilizing the triple point and the &ggr;-&bgr; transition temperatures of oxygen
  • 专利标题（中）： 通过利用三相点和氧的γ-β转变温度来测量氩杂质的装置和方法
  • 申请号： US09301158
    申请日： 1999-04-28
  • 公开(公告)号： US06324894B1
    公开(公告)日： 2001-12-04
  • 发明人: Kee-Hoon Kang , Chang-Ho Song , Yong-Gyoo Kim , Kee-Sool Gam
  • 申请人： Kee-Hoon Kang , Chang-Ho Song , Yong-Gyoo Kim , Kee-Sool Gam
  • 优先权： KR98-18905 19980525
  • 主分类号： G01N2518
  • IPC分类号： G01N2518
Device and method for measuring argon impurity by utilizing the triple point and the &ggr;-&bgr; transition temperatures of oxygen
摘要：
The present invention relates to a quantitative measuring method of argon impurity contained in high purity oxygen by means of triple point and &ggr;-&bgr; phase transition of oxygen, and also to a cryostat employed in quantitative measuring of argon impurity contained in high purity oxygen.
摘要（中）：

本发明涉及通过氧的三重点和γ-β相转变的高纯度氧中所含的氩杂质的定量测量方法，以及用于定量测量高纯度氧中所含的氩杂质的低温恒温器。

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