EP0860496A2 - Reinigungsmittel für Silberbad - Google Patents
Reinigungsmittel für Silberbad Download PDFInfo
- Publication number
- EP0860496A2 EP0860496A2 EP98102753A EP98102753A EP0860496A2 EP 0860496 A2 EP0860496 A2 EP 0860496A2 EP 98102753 A EP98102753 A EP 98102753A EP 98102753 A EP98102753 A EP 98102753A EP 0860496 A2 EP0860496 A2 EP 0860496A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- silver
- cleaning
- alkali
- sodium
- reductive
- 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.)
- Granted
Links
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 32
- 239000004332 silver Substances 0.000 title claims abstract description 32
- 239000000203 mixture Substances 0.000 title claims abstract description 11
- 238000004140 cleaning Methods 0.000 title description 25
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000003513 alkali Substances 0.000 claims abstract description 19
- 230000002829 reductive effect Effects 0.000 claims abstract description 13
- 239000007844 bleaching agent Substances 0.000 claims abstract description 12
- 239000012459 cleaning agent Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000009895 reductive bleaching Methods 0.000 claims abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 18
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 16
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 11
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 9
- 239000003599 detergent Substances 0.000 claims description 7
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 6
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 239000004606 Fillers/Extenders Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims 1
- 239000000356 contaminant Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- -1 Sodium aluminum silicates Chemical class 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 239000008139 complexing agent Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000009189 diving Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 238000005494 tarnishing Methods 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- RYYXDZDBXNUPOG-UHFFFAOYSA-N 4,5,6,7-tetrahydro-1,3-benzothiazole-2,6-diamine;dihydrochloride Chemical compound Cl.Cl.C1C(N)CCC2=C1SC(N)=N2 RYYXDZDBXNUPOG-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 229910052946 acanthite Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 description 1
- 229940056910 silver sulfide Drugs 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 125000004962 sulfoxyl group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000186 toxicological potential Toxicity 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/06—Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0042—Reducing agents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
- C11D7/12—Carbonates bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/34—Organic compounds containing sulfur
Definitions
- the invention relates to a cleaning agent for cleaning Silver surfaces in an aqueous solution in an open Container.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims (6)
- Reinigungsmittel für die Entfernung von Verunreinigungen auf Silberoberflächen für die Anwendung im Haushalt, das wenigstens ein reduktives Bleichmittel und wenigstens eine Substanz als Alkalispender enthält, vorzugsweise in der Zusammensetzung von 5 bis 90 % reduktivem Bleichmittel, 95-10 % Alkalispender (Angaben in Gew.-%).
- Reinigungsmittel nach Anspruch 1 gekennzeichnet durch die Zusammensetzung von5-90 % reduktivem Bleichmittel10-95 % Alkalispender0-80 % Streckmittel0-10 % Hilfsmittel
- Reinigungsmittel nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der Anteil an alkalispendenden Substanzen mind. 50 % der Menge des Reduktionsmittels (Angabe in Gew.-%) beträgt.
- Reinigungsmittel nach einem der Ansprüche 1 bis 3 dadurch gekennzeichnet, daß als reduktives Bleichmittel Natriumdithionit enthalten ist.
- Reinigungsmittel nach einem der Ansprüche 1 bis 4 dadurch gekennzeichnet, daß als Alkalispender Natriumcarbonat und/oder Natriumhydrogencarbonat verwendet wird.
- Reinigungsmittel nach einem der Ansprüche 1 bis 5 dadurch gekennzeichnet, daß beim Einsatz in einer wässerigen Lösung diese eine Menge von 0,1 g bis 3 g pro Liter Reduktionsmittel enthält.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29703010U DE29703010U1 (de) | 1997-02-20 | 1997-02-20 | Silberbad |
| DE29703010U | 1997-02-20 | ||
| DE19752375 | 1997-11-26 | ||
| DE19752375A DE19752375A1 (de) | 1997-02-20 | 1997-11-26 | Silberbad |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0860496A2 true EP0860496A2 (de) | 1998-08-26 |
| EP0860496A3 EP0860496A3 (de) | 1998-12-30 |
| EP0860496B1 EP0860496B1 (de) | 2002-05-22 |
Family
ID=26041923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98102753A Expired - Lifetime EP0860496B1 (de) | 1997-02-20 | 1998-02-18 | Reinigungsmittel für Silberbad |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0860496B1 (de) |
| AT (1) | ATE217901T1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001023507A1 (de) * | 1999-09-30 | 2001-04-05 | Henkel Kommanditgesellschaft Auf Aktien | Maschinelles silberreinigungsmittel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB528683A (en) * | 1939-04-04 | 1940-11-05 | Percival Donald Liddiard | Improvements in or relating to the washing of tins |
| CH353596A (fr) * | 1959-10-02 | 1961-04-15 | Gay Balmaz Maurice | Procédé de nettoyage de pièces d'argenterie et machine pour la mise en oeuvre de ce procédé |
| US3707507A (en) * | 1971-01-18 | 1972-12-26 | Phillips Petroleum Co | Mercaptonitriles for the removal of tarnish on metals |
| JPH04214884A (ja) * | 1990-06-11 | 1992-08-05 | Denka Seiyaku Kk | 貴金属及び宝飾品の洗浄剤 |
| WO1993002226A1 (en) * | 1991-07-17 | 1993-02-04 | Church & Dwight Company, Inc. | Aqueous electronic circuit assembly cleaner and method |
-
1998
- 1998-02-18 AT AT98102753T patent/ATE217901T1/de not_active IP Right Cessation
- 1998-02-18 EP EP98102753A patent/EP0860496B1/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001023507A1 (de) * | 1999-09-30 | 2001-04-05 | Henkel Kommanditgesellschaft Auf Aktien | Maschinelles silberreinigungsmittel |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0860496A3 (de) | 1998-12-30 |
| EP0860496B1 (de) | 2002-05-22 |
| ATE217901T1 (de) | 2002-06-15 |
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