DE3347479C2 - Verfahren zur Ermittlung des Gasgehaltes in Metallen und Metallegierungen und Einrichtung zur Durchführung des Verfahrens - Google Patents
Verfahren zur Ermittlung des Gasgehaltes in Metallen und Metallegierungen und Einrichtung zur Durchführung des VerfahrensInfo
- Publication number
- DE3347479C2 DE3347479C2 DE3347479A DE3347479A DE3347479C2 DE 3347479 C2 DE3347479 C2 DE 3347479C2 DE 3347479 A DE3347479 A DE 3347479A DE 3347479 A DE3347479 A DE 3347479A DE 3347479 C2 DE3347479 C2 DE 3347479C2
- Authority
- DE
- Germany
- Prior art keywords
- gas
- crucible
- melt
- sample
- electrochemical cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 39
- 239000002184 metal Substances 0.000 title claims abstract description 39
- 150000002739 metals Chemical class 0.000 title claims abstract description 19
- 229910001092 metal group alloy Inorganic materials 0.000 title claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 24
- 230000008018 melting Effects 0.000 claims abstract description 23
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 22
- 230000009467 reduction Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000000155 melt Substances 0.000 claims description 57
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 6
- 238000003795 desorption Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 150000004820 halides Chemical class 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 100
- 238000004458 analytical method Methods 0.000 description 17
- 238000012360 testing method Methods 0.000 description 14
- 238000006722 reduction reaction Methods 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000002585 base Substances 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000000516 activation analysis Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000003113 dilution method Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- -1 nitrogen ions Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000003869 coulometry Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/411—Cells and probes with solid electrolytes for investigating or analysing of liquid metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/205—Metals in liquid state, e.g. molten metals
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Sampling And Sample Adjustment (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3347479A DE3347479C2 (de) | 1983-12-29 | 1983-12-29 | Verfahren zur Ermittlung des Gasgehaltes in Metallen und Metallegierungen und Einrichtung zur Durchführung des Verfahrens |
FR8400441A FR2558260B1 (fr) | 1983-12-29 | 1984-01-12 | Procede de dosage des gaz dans les metaux et alliages metalliques et dispositif pour sa mise en oeuvre |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3347479A DE3347479C2 (de) | 1983-12-29 | 1983-12-29 | Verfahren zur Ermittlung des Gasgehaltes in Metallen und Metallegierungen und Einrichtung zur Durchführung des Verfahrens |
FR8400441A FR2558260B1 (fr) | 1983-12-29 | 1984-01-12 | Procede de dosage des gaz dans les metaux et alliages metalliques et dispositif pour sa mise en oeuvre |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3347479A1 DE3347479A1 (de) | 1985-07-11 |
DE3347479C2 true DE3347479C2 (de) | 1987-04-30 |
Family
ID=25816898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3347479A Expired DE3347479C2 (de) | 1983-12-29 | 1983-12-29 | Verfahren zur Ermittlung des Gasgehaltes in Metallen und Metallegierungen und Einrichtung zur Durchführung des Verfahrens |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3347479C2 (hu) |
FR (1) | FR2558260B1 (hu) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19828293B4 (de) * | 1998-06-26 | 2005-03-10 | Ae Group Ag | Verfahren zum Untersuchen von Werkstücken |
DE102006005476A1 (de) * | 2006-01-26 | 2007-09-13 | Heraeus Electro-Nite International N.V. | Vorrichtung zum Bestimmen einer Kenngröße einer Metallschmelze oder einer auf der Metallschmelze aufliegenden Schlackeschicht |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3323050A (en) * | 1962-06-04 | 1967-05-30 | Mine Safety Appliances Co | Method for determination of combined oxygen in liquid alkali metals |
US3793155A (en) * | 1969-12-22 | 1974-02-19 | Little Inc A | Apparatus for monitoring the oxygen content of a molten metal |
US3860498A (en) * | 1973-07-02 | 1975-01-14 | Westinghouse Electric Corp | Method of measuring O{HD 2 {B and O{HD 2 {B containing constituents |
FR2325928A1 (fr) * | 1975-09-26 | 1977-04-22 | Gen Electric | Dispositif electrochimique pour la mesure de la concentration en oxygene d'un metal alcalin en fusion |
DE2922131A1 (de) * | 1979-05-31 | 1980-12-18 | Bosch Gmbh Robert | Polarographischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen, insbesondere in abgasen von verbrennungsmotoren |
FR2492980A1 (fr) * | 1980-10-29 | 1982-04-30 | Mo I Stali I Splavov | Procede d'analyse chimique quantitative d'une matiere minerale |
-
1983
- 1983-12-29 DE DE3347479A patent/DE3347479C2/de not_active Expired
-
1984
- 1984-01-12 FR FR8400441A patent/FR2558260B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2558260B1 (fr) | 1986-05-30 |
DE3347479A1 (de) | 1985-07-11 |
FR2558260A1 (fr) | 1985-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |