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1. 发明专利

JPS61177381A METHOD FOR SIMPLE JUDGING OF SUITABILITY TO PHOSPHATING 失效
公开(公告)号：JPS61177381A
公开(公告)日：1986-08-09
申请号：JP1537785
申请日：1985-01-31
申请人： NIPPON STEEL CORP
发明人： YAMAGUCHI SUSUMU , UEMURA TAKESHI , IHATA TADASHI
IPC分类号： C23C22/73
摘要： PURPOSE:To judge correctly the suitability of a sample to phosphating in a short time by cleaning the surface of the sample, immersing the sample in an aqueous copper sulfate soln. to coat the surface of the sample with metallic copper to a specified thickness, removing the metallic copper by rubbing with a soft material in a wet state in a washing stage, and observing the presence of residual metallic copper. CONSTITUTION:The surface of a sample is cleaned, and the sample is immersed in a 1-3% aqueous copper sulfate soln. of 4.0-4.2pH at 15-60 deg.C for 20-90sec to coat the surface of the sample with metallic copper by chemical plating by 0.5-1.5g/m . The metallic copper is removed by rubbing with a soft material such as cloth or sponge in a wet state in a washing stage. When metallic copper remains, it is judged that uniform phosphating is not carried out.

2. 发明专利

JPS51137672A PROCESS FOR TREATMENT OF DESULFURIZED SLAG 失效
公开(公告)号：JPS51137672A
公开(公告)日：1976-11-27
申请号：JP6170775
申请日：1975-05-23
申请人： NIPPON STEEL CORP
发明人： UEMURA TAKESHI , TOUKOU KATAYA
IPC分类号： C04B5/00 , B09B3/00 , C04B5/06 , C21C1/02 , C22B7/02 , F27D15/00
摘要： PURPOSE:Occurence of firing and offensive odor of desulfurized slag containing calcium carbide and calcium phosphide are controlled.

3. 发明专利

JPH10142122A MELTING AND FEEDING APPARATUS FOR METAL SAMPLE 失效
公开(公告)号：JPH10142122A
公开(公告)日：1998-05-29
申请号：JP31877196
申请日：1996-11-13
申请人： NIPPON STEEL CORP , HORIBA LTD
发明人： ONO AKIHIRO , KONDO HIROYUKI , UEMURA TAKESHI , MINAMI TAKAAKI
IPC分类号： G01N1/28
摘要： PROBLEM TO BE SOLVED: To provide a melting and feeding apparatus, for a metal sample, by which a sample solution can be obtained simply and quickly when a chip- shaped metal sample is analyzed. SOLUTION: An apparatus is provided with an electrolytic-cell block 2 in which an electrolytic-solution introduction port 4a and an electrolytic-solution derivation port 4b are formed and with a counter electrode 7 which is installed at the electrolytic-cell block 2. An electrolytic cell 11 is formed between a metal sample 8 which is held by a sample holding part 9 at the electrolytic-cell block 2 and the counter electrode 7. While an electrolytic solution is being fed to the electrolytic cell 11 via the electrolytic-solution introduction port 4a, a voltage is applied across the metal sample 8 and the counter electrode 7, the metal sample 8 is melted, and a sample solution is obtained continuously from the electrolytic-solution derivation port 4b. In this case, the apparatus is constituted in such a way that a sample holder 50 which comprises a mounting plate 52 for magnet mounting is installed, that the sample 8 is situated on the side of the rear surface B of the mounting plate 52 in a state that it is held by a magnet 51 and that the sample holder 50 is arranged at the sample holding part 9.

4. 发明专利

JPH10123121A METAL SAMPLE DISSOLUTION SUPPLY DEVICE 失效
公开(公告)号：JPH10123121A
公开(公告)日：1998-05-15
申请号：JP29717796
申请日：1996-10-19
申请人： NIPPON STEEL CORP , HORIBA LTD
发明人： ONO AKIHIRO , KONDO HIROYUKI , MINAMI TAKAAKI , UEMURA TAKESHI
IPC分类号： G01N33/20
摘要： PROBLEM TO BE SOLVED: To prevent a gasket engaged into the sample retention part of an electrolytic cell block detachably from leaving the sample retention part when a sample is exchanged. SOLUTION: This device has an electrolyte cell block 2 where an electrolyte introduction port 4a and an electrolyte leading port 4b are formed, a counter electrode 7 that is installed at the electrolyte cell block 2, a recessed entrance part 40 formed at a sample retention part 9 of the electrolyte cell block 2, and a gasket 10 for stopping electrolyte leakage, an electrolytic cell 11 is formed between a metal sample 8 and the counter electrode 7 that are retained at the sample retention part 9 via the gasket 10, and a voltage is applied between the metal sample 8 and the counter electrode 7 for dissolving the metal sample 8 while supplying an electrolyte to the electrolytic cell 11 via the electrolyte introduction port 4a, thus obtaining a sample solution continuously from the electrolyte leading port 4b. At this time, the recessed entrance part 40 has a gearlock part 41 that is gear-locked to one portion (m) of a gasket periphery part M.

5. 发明专利

JPH09229832A METAL SAMPLE DISSOLVING AND SUPPLY APPARATUS 失效
公开(公告)号：JPH09229832A
公开(公告)日：1997-09-05
申请号：JP5846396
申请日：1996-02-20
申请人： NIPPON STEEL CORP , HORIBA LTD
发明人： ONO AKIHIRO , KONDO HIROYUKI , UEMURA TAKESHI , MINAMI TAKAAKI
IPC分类号： G01N1/28
摘要： PROBLEM TO BE SOLVED: To always obtain a sample soln. with a predetermined concn. by enabling stable electrolysis by inclining an electrolytic cell block so that the electrolyte lead-out port thereof is higher. SOLUTION: A metal sample is placed on an electrolytic cell block 2 of which the polished surface is turned downwardly and the acting electrode 16 connected to a constant voltage/constant current power supply 30 is applied to the upper surface thereof and a cylinder 13 is operated to press the sample by a press head 15. A constant flow rate of an electrolyte 20 is allowed to flow into an electrolytic cell 11 from an electrolyte introducing port 4a by a constant flow rate pump 22 and discharged out of the block 2 from an electrolyte lead-out port 4b. A constant current is allowed to flow to the sample 8 and an opposed electrode 7 through the acting electrode 16 during the supply of the electrolyte 20 to the cell 11 while the applied current to the sample and the opposed electrode is controlled to continuously electrolyze the sample 8 to obtain a sample soln. containing a chemical component. At this time, since the lead-out port 4b is upwardly inclined to be arranged, the gas generated at a time of electrolysis is not stagnated in the cell to prevent electrolysis from becoming impossible. Therefore, the sample 8 can be always stably electrolyzed.

6. 发明专利

JPH08122323A METAL-SAMPLE DECOMPOSING APPARATUS 失效
公开(公告)号：JPH08122323A
公开(公告)日：1996-05-17
申请号：JP26408494
申请日：1994-10-27
申请人： NIPPON STEEL CORP , MIDORIKAWA MASAHIRO
发明人： HAYAKAWA YASUHIRO , ONO AKIHIRO , KONDO HIROYUKI , UEMURA TAKESHI , MIDORIKAWA MASAHIRO
IPC分类号： G01N1/28 , G01N33/20
摘要： PURPOSE: To provide a metal-sample decomposing apparatus by which a simple can be fixed and heated quickly and in which an electrolyte or an acid is not leaked. CONSTITUTION: A metal-sample decomposing apparatus is provided with a decomposition cell 12 which supports a block-shaped metal sample S via a seal member 19 and which supplies an electrolyte or an acid to a sample face so as to decompose the metal sample S and with a heating device 41 which heats the metal sample S. The metal-sample decomposition apparatus comprises a sample fixation device 31 provided with a pressure member 32 which can be advanced to, and retreated from, the metal sample S supported by the decomposition cell 12 and with a driving gear 33 which advances and retreats the pressure member 32. In addition, the heating device 41 is provided with a heating lamp 42 and with a condensing mirror 44 by which light from the heating lamp 42 is condensed on the sample face. Then, the heating lamp 42 and the condensing mirror 44 are attached to the pressure member 32.

7. 发明专利

JPS5392191A METHOD OF REGULATING METALLIC SPECIMEN FOR EMISSION SPECTROSCOPIC ANALYSIS 失效
公开(公告)号：JPS5392191A
公开(公告)日：1978-08-12
申请号：JP703577
申请日：1977-01-25
申请人： NIPPON STEEL CORP
发明人： UEMURA TAKESHI , SASAKI TOSHIO , KURODA TOSHIHIKO
IPC分类号： G01N21/67 , G01N1/04
摘要： PURPOSE:To obtain the analyzed value stabilized for long time in high reliability without personnel difference of finishing state by altering the polishing step of the cut surface of metal speciment to shotblast process.

8. 发明专利

JPS52111813A COMPOSITE FOR DESULFURIZATION OF MOLTEN PIG IRON 失效
公开(公告)号：JPS52111813A
公开(公告)日：1977-09-19
申请号：JP2963876
申请日：1976-03-18
申请人： NIPPON STEEL CORP
发明人： MATSUNAGA HISASHI , MOTOYOSHI MINORU , TOUKOU KATAYA , UEMURA TAKESHI , MIKI TOSHIHIKO
IPC分类号： C21C1/02
摘要： PURPOSE:To develop cheap desulfurizer for molten pig iorn instead of usual CaC2 desulfurizer from lime ignited incompletely, carbon material and fluorite etc..

9. 发明专利

JPS526337A SLEEVE FOR PREVENTING METAL COHERENCE TO STEEL MELTS RECEIVING PORTS OF TURNDISH 失效
公开(公告)号：JPS526337A
公开(公告)日：1977-01-18
申请号：JP8189975
申请日：1975-07-04
申请人： NIPPON STEEL CORP , IGAKI SANGIYOU KK
发明人： TOUKOU KATAYA , MATSUYAMA KIYOSHI , YOSHIDA TAKESABUROU , UEMURA TAKESHI , IGAKI HARUO
IPC分类号： B22D11/10

10. 发明专利

JPH0979958A METHOD FOR DISSOLVING SAMPLE FOR ICP ANALYSIS 失效
公开(公告)号：JPH0979958A
公开(公告)日：1997-03-28
申请号：JP25685895
申请日：1995-09-09
申请人： NIPPON STEEL CORP , HORIBA LTD
发明人： ONO AKIHIRO , KONDO HIROYUKI , UEMURA TAKESHI , MINAMI TAKAAKI
IPC分类号： G01N21/73 , G01N1/28
摘要： PROBLEM TO BE SOLVED: To quickly and stably electrolyze components the solubility of which varies over a wide range by using an aqueous solution of hydrochloric acid and nitric acid as an electrolytic acid fluid at the time of electrolytic analysis and applying a constant voltage which falls with a specific range across the sample and acid fluid. SOLUTION: In a cell 1 in which a metallic sample 2 is electrolyzed, the sample 2 is retained by means of a sample retaining member 3 and an electrode is counterposed to the sample 2 at an appropriate interval. The sample pressing part at the front end of the member 3 forms an electrode 3a and the electrodes 3a and 4 are respectively connected to the positive and negative electrode terminals 7P and 7N of a DC power source 7. In the cell 1, the sample 2 is electrolyzed and a gas G and an electrolyzed solution L is generated by supplying an electrolytic acid fluid. An aqueous solution of hydrochloric acid and nitric acid is used as the acid fluid and a constant voltage of about 0.8-2.8 V is applied across the sample 2 and the acid fluid. Therefore, components from an easily soluble component to a hardly soluble component can be determined by inductively coupled plasma spectrometry by using the same electrolyzed solution.

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