Number | Date | Country | Kind |
---|---|---|---|
935682 | Dec 1993 | FIX |
Number | Name | Date | Kind |
---|---|---|---|
2943223 | Fay | Jun 1960 | |
3032654 | Fay et al. | May 1962 | |
3336493 | Lambert | Aug 1967 | |
4233513 | Elder et al. | Nov 1980 | |
4633705 | Merilainen et al. | Jan 1987 | |
4898465 | Crawford et al. | Feb 1990 | |
5070245 | Rantala et al. | Dec 1991 | |
5118989 | Egermeier et al. | Jun 1992 | |
5412467 | Makczewski et al. | May 1995 |
Number | Date | Country |
---|---|---|
337933 | Feb 1989 | EPX |
WO9310438 | May 1993 | WOX |
Entry |
---|
Emission Spectrometric Method and Analyzer for Traces of Nitrogen in Argon, Homer Ray, Paul H. Mohr, and Gerhard A. Cook, Analytical Chemistry, vol. 34, No. 10, Sep. 1962, pp. 1254-1260. |