| 发明名称 |
Method of separating and detecting impurities using a fractional concentration detector |
| 摘要 |
A method for detection of impurities at very low levels in hydrogen, oxygen or specialty gases comprises the metered mixture with high purity helium and subsequent selective separation of hydrogen, oxygen or specialty gas with the detection of impurities remaining in the helium by ionization spectrometry.
|
| 申请公布号 |
US5360467(A) |
申请公布日期 |
1994.11.01 |
| 申请号 |
US19930101604 |
申请日期 |
1993.08.03 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
KETKAR, SUHAS N.;RIDGEWAY, ROBERT G.;MAROULIS, PETER J.;GOLDEN, TIMOTHY C. |
| 分类号 |
G01N30/00;G01N30/02;G01N30/06;G01N30/14;G01N33/00;(IPC1-7):B01D53/04;B01D53/22 |
主分类号 |
G01N30/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
