CA1201411A - Regeneration d'electrolyte de chrome trivalent - Google Patents

Regeneration d'electrolyte de chrome trivalent

Info

Publication number: CA1201411A
Authority: CA; Canada
Prior art keywords: ions; chromium; electrolyte; vanadium; bath
Prior art date: 1980-11-10
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

Application number

CA000467415A

Other languages

English (en)

Inventor

Thaddeus W. Tomaszewski

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

OMI International Corp

Original Assignee

OMI International Corp

Priority date (The priority date 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 date listed.)

1980-11-10

Filing date

1984-11-08

Publication date

1986-03-04

1980-11-10 Priority claimed from US06/205,406 external-priority patent/US4392922A/en

1984-11-08 Application filed by OMI International Corp filed Critical OMI International Corp

1984-11-08 Priority to CA000467415A priority Critical patent/CA1201411A/fr

1986-03-04 Application granted granted Critical

1986-03-04 Publication of CA1201411A publication Critical patent/CA1201411A/fr

Status Expired legal-status Critical Current

Links

VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 77
239000011651 chromium Substances 0.000 title claims abstract description 77
229910052804 chromium Inorganic materials 0.000 title claims abstract description 76
239000003792 electrolyte Substances 0.000 title claims abstract description 66
230000003716 rejuvenation Effects 0.000 title claims abstract description 15
JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims abstract description 49
229910001430 chromium ion Inorganic materials 0.000 claims abstract description 32
238000000034 method Methods 0.000 claims abstract description 25
-1 halide ions Chemical class 0.000 claims abstract description 23
229910001456 vanadium ion Inorganic materials 0.000 claims abstract description 23
239000008139 complexing agent Substances 0.000 claims abstract description 16
239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
239000002253 acid Substances 0.000 claims abstract description 8
230000002378 acidificating effect Effects 0.000 claims abstract description 7
229910052739 hydrogen Inorganic materials 0.000 claims abstract description 5
239000001257 hydrogen Substances 0.000 claims abstract description 5
238000011109 contamination Methods 0.000 claims abstract description 3
230000001771 impaired effect Effects 0.000 claims abstract description 3
150000003681 vanadium Chemical class 0.000 claims description 6
238000007747 plating Methods 0.000 abstract description 31
238000009713 electroplating Methods 0.000 abstract description 12
229940107218 chromium Drugs 0.000 description 72
235000012721 chromium Nutrition 0.000 description 72
239000000470 constituent Substances 0.000 description 19
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
239000000203 mixture Substances 0.000 description 16
229910052720 vanadium Inorganic materials 0.000 description 16
150000003839 salts Chemical class 0.000 description 15
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 15
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
239000000758 substrate Substances 0.000 description 11
229940037395 electrolytes Drugs 0.000 description 10
229910052759 nickel Inorganic materials 0.000 description 8
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
239000000080 wetting agent Substances 0.000 description 7
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 6
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
150000002500 ions Chemical class 0.000 description 6
229910052742 iron Inorganic materials 0.000 description 6
239000000243 solution Substances 0.000 description 6
230000002411 adverse Effects 0.000 description 5
150000003863 ammonium salts Chemical class 0.000 description 5
238000004070 electrodeposition Methods 0.000 description 5
150000004820 halides Chemical class 0.000 description 5
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 4
239000000654 additive Substances 0.000 description 4
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 4
239000004327 boric acid Substances 0.000 description 4
239000006172 buffering agent Substances 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 4
238000000151 deposition Methods 0.000 description 4
230000001627 detrimental effect Effects 0.000 description 4
230000000694 effects Effects 0.000 description 4
229910052751 metal Inorganic materials 0.000 description 4
239000002184 metal Substances 0.000 description 4
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 description 4
229910000352 vanadyl sulfate Inorganic materials 0.000 description 4
239000002699 waste material Substances 0.000 description 4
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
150000007513 acids Chemical class 0.000 description 3
238000013019 agitation Methods 0.000 description 3
229910052783 alkali metal Inorganic materials 0.000 description 3
150000001340 alkali metals Chemical class 0.000 description 3
GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
230000008021 deposition Effects 0.000 description 3
GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 3
238000001556 precipitation Methods 0.000 description 3
229910052708 sodium Inorganic materials 0.000 description 3
239000011734 sodium Substances 0.000 description 3
239000004094 surface-active agent Substances 0.000 description 3
229940041260 vanadyl sulfate Drugs 0.000 description 3
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
229910000599 Cr alloy Inorganic materials 0.000 description 2
BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 2
AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical class CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
239000003513 alkali Substances 0.000 description 2
229910052784 alkaline earth metal Chemical class 0.000 description 2
150000001342 alkaline earth metals Chemical class 0.000 description 2
235000019270 ammonium chloride Nutrition 0.000 description 2
VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
239000002518 antifoaming agent Substances 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
239000000788 chromium alloy Substances 0.000 description 2
239000012141 concentrate Substances 0.000 description 2
AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
230000009931 harmful effect Effects 0.000 description 2
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
239000000463 material Substances 0.000 description 2
150000002739 metals Chemical class 0.000 description 2
ALTWGIIQPLQAAM-UHFFFAOYSA-N metavanadate Chemical compound [O-][V](=O)=O ALTWGIIQPLQAAM-UHFFFAOYSA-N 0.000 description 2
239000004033 plastic Substances 0.000 description 2
229920003023 plastic Polymers 0.000 description 2
229910052697 platinum Inorganic materials 0.000 description 2
238000002203 pretreatment Methods 0.000 description 2
CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 description 2
229910052716 thallium Inorganic materials 0.000 description 2
BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 2
239000010936 titanium Substances 0.000 description 2
229910052719 titanium Inorganic materials 0.000 description 2
150000003682 vanadium compounds Chemical class 0.000 description 2
JTWLHYPUICYOLE-UHFFFAOYSA-J vanadium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[V+4] JTWLHYPUICYOLE-UHFFFAOYSA-J 0.000 description 2
NMRPBPVERJPACX-UHFFFAOYSA-N (3S)-octan-3-ol Natural products CCCCCC(O)CC NMRPBPVERJPACX-UHFFFAOYSA-N 0.000 description 1
KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 1
VJNMUKGZDONIAN-UHFFFAOYSA-N 1-methylisoquinolin-6-amine Chemical compound NC1=CC=C2C(C)=NC=CC2=C1 VJNMUKGZDONIAN-UHFFFAOYSA-N 0.000 description 1
WKCZSFRAGKIIKN-UHFFFAOYSA-N 2-(4-tert-butylphenyl)ethanamine Chemical compound CC(C)(C)C1=CC=C(CCN)C=C1 WKCZSFRAGKIIKN-UHFFFAOYSA-N 0.000 description 1
WOFPPJOZXUTRAU-UHFFFAOYSA-N 2-Ethyl-1-hexanol Natural products CCCCC(O)CCC WOFPPJOZXUTRAU-UHFFFAOYSA-N 0.000 description 1
PAJMKGZZBBTTOY-UHFFFAOYSA-N 2-[[2-hydroxy-1-(3-hydroxyoctyl)-2,3,3a,4,9,9a-hexahydro-1h-cyclopenta[g]naphthalen-5-yl]oxy]acetic acid Chemical compound C1=CC=C(OCC(O)=O)C2=C1CC1C(CCC(O)CCCCC)C(O)CC1C2 PAJMKGZZBBTTOY-UHFFFAOYSA-N 0.000 description 1
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical class [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
229910000640 Fe alloy Inorganic materials 0.000 description 1
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
229910003206 NH4VO3 Inorganic materials 0.000 description 1
229910020700 Na3VO4 Inorganic materials 0.000 description 1
229910019501 NaVO3 Inorganic materials 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
YBTOJVCBTYKZGT-UHFFFAOYSA-I [NH4+].[V+5].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O Chemical compound [NH4+].[V+5].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O YBTOJVCBTYKZGT-UHFFFAOYSA-I 0.000 description 1
QUEDYRXQWSDKKG-UHFFFAOYSA-M [O-2].[O-2].[V+5].[OH-] Chemical compound [O-2].[O-2].[V+5].[OH-] QUEDYRXQWSDKKG-UHFFFAOYSA-M 0.000 description 1
MBJAOHZZTCXJSK-UHFFFAOYSA-N [V].BrOBr Chemical compound [V].BrOBr MBJAOHZZTCXJSK-UHFFFAOYSA-N 0.000 description 1
GPWHDDKQSYOYBF-UHFFFAOYSA-N ac1l2u0q Chemical compound Br[Br-]Br GPWHDDKQSYOYBF-UHFFFAOYSA-N 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
150000001447 alkali salts Chemical class 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000001099 ammonium carbonate Substances 0.000 description 1
235000012501 ammonium carbonate Nutrition 0.000 description 1
235000011162 ammonium carbonates Nutrition 0.000 description 1
235000011114 ammonium hydroxide Nutrition 0.000 description 1
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
229910052921 ammonium sulfate Inorganic materials 0.000 description 1
235000011130 ammonium sulphate Nutrition 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
239000002585 base Substances 0.000 description 1
229940063013 borate ion Drugs 0.000 description 1
150000001642 boronic acid derivatives Chemical class 0.000 description 1
150000004649 carbonic acid derivatives Chemical class 0.000 description 1
125000002091 cationic group Chemical group 0.000 description 1
229940005991 chloric acid Drugs 0.000 description 1
239000000460 chlorine Substances 0.000 description 1
229910052801 chlorine Inorganic materials 0.000 description 1
150000001844 chromium Chemical class 0.000 description 1
UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
LJAOOBNHPFKCDR-UHFFFAOYSA-K chromium(3+) trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Cr+3] LJAOOBNHPFKCDR-UHFFFAOYSA-K 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
229940000425 combination drug Drugs 0.000 description 1
230000000536 complexating effect Effects 0.000 description 1
230000003750 conditioning effect Effects 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical group CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
238000009472 formulation Methods 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
239000010439 graphite Substances 0.000 description 1
XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
150000004687 hexahydrates Chemical class 0.000 description 1
GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
239000011630 iodine Substances 0.000 description 1
229910052740 iodine Inorganic materials 0.000 description 1
229910052744 lithium Inorganic materials 0.000 description 1
229940098779 methanesulfonic acid Drugs 0.000 description 1
239000003595 mist Substances 0.000 description 1
LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical class CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
231100000989 no adverse effect Toxicity 0.000 description 1
230000001473 noxious effect Effects 0.000 description 1
235000019645 odor Nutrition 0.000 description 1
238000010979 pH adjustment Methods 0.000 description 1
NFVUDQKTAWONMJ-UHFFFAOYSA-I pentafluorovanadium Chemical compound [F-].[F-].[F-].[F-].[F-].[V+5] NFVUDQKTAWONMJ-UHFFFAOYSA-I 0.000 description 1
229920001568 phenolic resin Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
229920000098 polyolefin Polymers 0.000 description 1
229920000915 polyvinyl chloride Polymers 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
235000011151 potassium sulphates Nutrition 0.000 description 1
230000002265 prevention Effects 0.000 description 1
230000000750 progressive effect Effects 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
231100000916 relative toxicity Toxicity 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
235000019333 sodium laurylsulphate Nutrition 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
RTVVXRKGQRRXFJ-UHFFFAOYSA-N sodium;2-sulfobutanedioic acid Chemical compound [Na].OC(=O)CC(C(O)=O)S(O)(=O)=O RTVVXRKGQRRXFJ-UHFFFAOYSA-N 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000000126 substance Substances 0.000 description 1
230000000153 supplemental effect Effects 0.000 description 1
230000002459 sustained effect Effects 0.000 description 1
239000012085 test solution Substances 0.000 description 1
IHIXIJGXTJIKRB-UHFFFAOYSA-N trisodium vanadate Chemical compound [Na+].[Na+].[Na+].[O-][V]([O-])([O-])=O IHIXIJGXTJIKRB-UHFFFAOYSA-N 0.000 description 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
229910052721 tungsten Inorganic materials 0.000 description 1
239000010937 tungsten Substances 0.000 description 1
ZOYIPGHJSALYPY-UHFFFAOYSA-K vanadium(iii) bromide Chemical compound [V+3].[Br-].[Br-].[Br-] ZOYIPGHJSALYPY-UHFFFAOYSA-K 0.000 description 1
229910052725 zinc Inorganic materials 0.000 description 1
239000011701 zinc Substances 0.000 description 1

Landscapes

Electroplating And Plating Baths Therefor (AREA)

CA000467415A 1980-11-10 1984-11-08 Regeneration d'electrolyte de chrome trivalent Expired CA1201411A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000467415A CA1201411A (fr)	1980-11-10	1984-11-08	Regeneration d'electrolyte de chrome trivalent

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US06/205,406 US4392922A (en)	1980-11-10	1980-11-10	Trivalent chromium electrolyte and process employing vanadium reducing agent
US205,406		1980-11-10
CA000389254A CA1267631A (fr)	1980-11-10	1981-11-02	Electrolyte au chrome trivalent, et procede ayant recours a un agent reducteur au vanadium
CA000467415A CA1201411A (fr)	1980-11-10	1984-11-08	Regeneration d'electrolyte de chrome trivalent

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000389254A Division CA1267631A (fr)	1980-11-10	1981-11-02	Electrolyte au chrome trivalent, et procede ayant recours a un agent reducteur au vanadium

Publications (1)

Publication Number	Publication Date
CA1201411A true CA1201411A (fr)	1986-03-04

Family

ID=25669479

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000467415A Expired CA1201411A (fr)	1980-11-10	1984-11-08	Regeneration d'electrolyte de chrome trivalent

Country Status (1)

Country	Link
CA (1)	CA1201411A (fr)

1984
- 1984-11-08 CA CA000467415A patent/CA1201411A/fr not_active Expired

Legal Events

Date	Code	Title	Description
2003-03-04	MKEX	Expiry

Publication	Publication Date	Title
US4392922A (en)	1983-07-12	Trivalent chromium electrolyte and process employing vanadium reducing agent
US4196063A (en)	1980-04-01	Electrodeposition of black chromium
US4167460A (en)	1979-09-11	Trivalent chromium plating bath composition and process
US5196109A (en)	1993-03-23	Trivalent chromium electrolytes and plating processes employing same
US4477318A (en)	1984-10-16	Trivalent chromium electrolyte and process employing metal ion reducing agents
GB2062010A (en)	1981-05-20	Electroplating Bath and Process
US4432843A (en)	1984-02-21	Trivalent chromium electroplating baths and processes using thiazole addition agents
US4184929A (en)	1980-01-22	Trivalent chromium plating bath composition and process
US4439285A (en)	1984-03-27	Trivalent chromium electrolyte and process employing neodymium reducing agent
US3879270A (en)	1975-04-22	Compositions and process for the electrodeposition of metals
US4466865A (en)	1984-08-21	Trivalent chromium electroplating process
GB2047744A (en)	1980-12-03	Electrolytic alloy plating
GB2110242A (en)	1983-06-15	Electroplating chromium
US4543167A (en)	1985-09-24	Control of anode gas evolution in trivalent chromium plating bath
US3788957A (en)	1974-01-29	Electrodeposition of chromium
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