Chemistry: analytical and immunological testing – Metal or metal containing – Oxide or gas content of metal
Patent
1987-01-15
1988-05-24
Richman, Barry S.
Chemistry: analytical and immunological testing
Metal or metal containing
Oxide or gas content of metal
436 83, 436 84, 436159, 436160, 423598, 423608, 420417, G01N 3320, C01G 2300, C22C 1400
Patent
active
047466170
ABSTRACT:
A method of quantitatively analyzing nitrogen contained in titanium group metal or an alloy thereof, involving melting the metal or alloy in an inert gas atmosphere, allowing the nitrogen in titanium to be extracted and subjecting the extracted nitrogen to a quantitative analysis, characterized in that a titanium sample for analysis is melted in the present of nickel in an amount corresponding to 7 to 16 times the weight of the sample.
REFERENCES:
patent: 4456580 (1984-06-01), Yamada et al.
patent: 4525328 (1985-06-01), Bredeweg
Matsuda Kiyoshi
Okamura Masayoshi
Tomimoto Masami
Umeda Hiromi
Yamada Hiromichi
Kabushiki Kaisha Kobe Seiko Sho
Kummert Lynn M.
Richman Barry S.
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