G - Physics – 01 – N
Patent
G - Physics
01
N
324/23
G01N 33/20 (2006.01) G01N 27/26 (2006.01) G01N 27/42 (2006.01)
Patent
CA 1253569
26 ABSTRACT OF THE: DISCLOSURE An aqueous electrolytic solution of a molybdate ion and an oxidizing agent is effective to detect phosphorus segregates in a metallic material, particularly cast steel through electrolysis. Segregated phosphorus can be detected by (a) applying a test sheet against a surface area of the metallic material to be examined for segregation, (b) introducing an aqueous electrolytic solution comprising 0.1 to 20% by weight of a molybdate ion and an oxidizing agent between the metallic material surface area and the sheet, (c) contacting a cathode plate with the sheet, (d) effecting electrolysis with the metallic material made anode, (e) removing the sheet from the metallic material surface, and (f) treating the sheet with a reducing agent.
516443
Funahashi Yoshiko
Harimaya Senichi
Kamino Yoshikazu
Matsumura Yasuharu
Kawasaki Steel Corporation
Kawasaki Steel Techno-Research Corporation
Moffat & Co.
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