PT95482B - Processo para a preparacao de solucoes aquosas de tetratiocarbonato - Google Patents
Processo para a preparacao de solucoes aquosas de tetratiocarbonato Download PDFInfo
- Publication number
- PT95482B PT95482B PT95482A PT9548290A PT95482B PT 95482 B PT95482 B PT 95482B PT 95482 A PT95482 A PT 95482A PT 9548290 A PT9548290 A PT 9548290A PT 95482 B PT95482 B PT 95482B
- Authority
- PT
- Portugal
- Prior art keywords
- process according
- hydroxide
- aqueous solution
- sodium
- sulfur
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 173
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 81
- 238000002360 preparation method Methods 0.000 title claims description 11
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims abstract description 162
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 95
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 85
- 239000011593 sulfur Substances 0.000 claims abstract description 83
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 62
- 150000003839 salts Chemical class 0.000 claims abstract description 51
- 239000002253 acid Substances 0.000 claims abstract description 43
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 117
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 77
- 239000011734 sodium Substances 0.000 claims description 44
- 239000000243 solution Substances 0.000 claims description 43
- 229910052708 sodium Inorganic materials 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 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 claims description 27
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 26
- 238000010924 continuous production Methods 0.000 claims description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 15
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- HZBLLTXMVMMHRJ-UHFFFAOYSA-L disodium;sulfidosulfanylmethanedithioate Chemical compound [Na+].[Na+].[S-]SC([S-])=S HZBLLTXMVMMHRJ-UHFFFAOYSA-L 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- SRRKNRDXURUMPP-UHFFFAOYSA-N sodium disulfide Chemical compound [Na+].[Na+].[S-][S-] SRRKNRDXURUMPP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 9
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 8
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 claims description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- 239000011591 potassium Substances 0.000 claims description 6
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- HDFRDWFLWVCOGP-UHFFFAOYSA-N carbonothioic O,S-acid Chemical class OC(S)=O HDFRDWFLWVCOGP-UHFFFAOYSA-N 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 4
- -1 sodium disulfide carbon Chemical compound 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- YAZWMLIJYOXWEG-UHFFFAOYSA-F octalithium;sulfanylidenemethanediolate Chemical compound [Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S YAZWMLIJYOXWEG-UHFFFAOYSA-F 0.000 claims description 3
- IBRUNWRFLKKDJH-UHFFFAOYSA-F tetracalcium;sulfanylidenemethanediolate Chemical compound [Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S IBRUNWRFLKKDJH-UHFFFAOYSA-F 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- PPOOHZUKDUBDKA-UHFFFAOYSA-N S(=S)=S.[C] Chemical compound S(=S)=S.[C] PPOOHZUKDUBDKA-UHFFFAOYSA-N 0.000 claims 1
- 230000004520 agglutination Effects 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000001033 granulometry Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- XDAHMMVFVQFOIY-UHFFFAOYSA-N methanedithione;sulfane Chemical compound S.S=C=S XDAHMMVFVQFOIY-UHFFFAOYSA-N 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 17
- 239000003153 chemical reaction reagent Substances 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 239000012071 phase Substances 0.000 description 8
- 230000037361 pathway Effects 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 238000013019 agitation Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 4
- 239000003518 caustics Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000012989 trithiocarbonate Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 150000001342 alkaline earth metals Chemical class 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- USAIOOFEIMNEDN-UHFFFAOYSA-L disodium;carbonotrithioate Chemical compound [Na+].[Na+].[S-]C([S-])=S USAIOOFEIMNEDN-UHFFFAOYSA-L 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- HQBWOKMIGJEFIP-UHFFFAOYSA-L calcium;sulfanylidenemethanediolate Chemical compound [Ca+2].[O-]C([O-])=S HQBWOKMIGJEFIP-UHFFFAOYSA-L 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- IKVVOMGOVBKDFG-UHFFFAOYSA-N diazanium;sulfanylidenemethanediolate Chemical compound [NH4+].[NH4+].[O-]C([O-])=S IKVVOMGOVBKDFG-UHFFFAOYSA-N 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- MWVKWSAAGMGLJB-UHFFFAOYSA-N octaazanium;sulfanylidenemethanediolate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S MWVKWSAAGMGLJB-UHFFFAOYSA-N 0.000 description 2
- VUBLGGCCOVNKSD-UHFFFAOYSA-F octapotassium;sulfanylidenemethanediolate Chemical compound [K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+].[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S VUBLGGCCOVNKSD-UHFFFAOYSA-F 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- WBTJZLXAJOGZLS-UHFFFAOYSA-F tetramagnesium;sulfanylidenemethanediolate Chemical compound [Mg+2].[Mg+2].[Mg+2].[Mg+2].[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S.[O-]C([O-])=S WBTJZLXAJOGZLS-UHFFFAOYSA-F 0.000 description 2
- HIZCIEIDIFGZSS-UHFFFAOYSA-L trithiocarbonate Chemical compound [S-]C([S-])=S HIZCIEIDIFGZSS-UHFFFAOYSA-L 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- MERMATQXCJAQSB-UHFFFAOYSA-L C([O-])([O-])=S.[Mg+2] Chemical class C([O-])([O-])=S.[Mg+2] MERMATQXCJAQSB-UHFFFAOYSA-L 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 241000244206 Nematoda Species 0.000 description 1
- 241001104043 Syringa Species 0.000 description 1
- 235000004338 Syringa vulgaris Nutrition 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical class [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- KVXNHWAPNGKWJM-UHFFFAOYSA-L barium(2+);carbonotrithioate Chemical compound [Ba+2].[S-]C([S-])=S KVXNHWAPNGKWJM-UHFFFAOYSA-L 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- WSVMJZUXHCHLLA-UHFFFAOYSA-L calcium;carbonotrithioate Chemical compound [Ca+2].[S-]C([S-])=S WSVMJZUXHCHLLA-UHFFFAOYSA-L 0.000 description 1
- DXHPZXWIPWDXHJ-UHFFFAOYSA-N carbon monosulfide Chemical class [S+]#[C-] DXHPZXWIPWDXHJ-UHFFFAOYSA-N 0.000 description 1
- HIZCIEIDIFGZSS-UHFFFAOYSA-N carbonotrithioic acid Chemical compound SC(S)=S HIZCIEIDIFGZSS-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- GPWDPLKISXZVIE-UHFFFAOYSA-N cyclo[18]carbon Chemical compound C1#CC#CC#CC#CC#CC#CC#CC#CC#C1 GPWDPLKISXZVIE-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- IKJHCIFZPSSEAE-UHFFFAOYSA-N diazanium;carbonotrithioate Chemical compound [NH4+].[NH4+].[S-]C([S-])=S IKJHCIFZPSSEAE-UHFFFAOYSA-N 0.000 description 1
- RQPRTOROWUUIIX-UHFFFAOYSA-L dipotassium;carbonotrithioate Chemical compound [K+].[K+].[S-]C([S-])=S RQPRTOROWUUIIX-UHFFFAOYSA-L 0.000 description 1
- VEQXRZUFKLEXKC-UHFFFAOYSA-L dipotassium;sulfanylidenemethanediolate Chemical class [K+].[K+].[O-]C([O-])=S VEQXRZUFKLEXKC-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000002316 fumigant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052945 inorganic sulfide Inorganic materials 0.000 description 1
- 239000011133 lead Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- WNIMPVMSRDFHTD-UHFFFAOYSA-N methanetrithiol Chemical compound SC(S)S WNIMPVMSRDFHTD-UHFFFAOYSA-N 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000011701 zinc Chemical class 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D13/00—Compounds of sodium or potassium not provided for elsewhere
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41587489A | 1989-10-02 | 1989-10-02 | |
| US44002489A | 1989-11-21 | 1989-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT95482A PT95482A (pt) | 1991-06-25 |
| PT95482B true PT95482B (pt) | 1998-08-31 |
Family
ID=27023148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT95482A PT95482B (pt) | 1989-10-02 | 1990-10-01 | Processo para a preparacao de solucoes aquosas de tetratiocarbonato |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0494933A1 (fr) |
| JP (1) | JPH05500498A (fr) |
| CN (1) | CN1052851A (fr) |
| AP (1) | AP212A (fr) |
| AU (1) | AU6519190A (fr) |
| BR (1) | BR9007699A (fr) |
| CA (1) | CA2067125A1 (fr) |
| HU (1) | HUT61250A (fr) |
| IL (1) | IL95825A (fr) |
| MA (1) | MA21966A1 (fr) |
| PT (1) | PT95482B (fr) |
| TR (1) | TR24796A (fr) |
| WO (1) | WO1991004944A1 (fr) |
| YU (1) | YU184890A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2690691B1 (fr) * | 1992-04-29 | 1999-02-12 | Bio Merieux | Procede d'amplification d'arn necessitant une seule etape de manipulation. |
| DE4239088A1 (de) * | 1992-11-20 | 1994-05-26 | Solvay Werke Gmbh | Verfahren zur Herstellung einer stabilisierten, wäßrigen Alkalitetrathiocarbonatlösung und deren Verwendung |
| AU3279295A (en) * | 1994-10-11 | 1996-05-02 | Entek Corporation | Process for synthesizing thiocarbonates |
| CN102502890A (zh) * | 2011-10-17 | 2012-06-20 | 中南大学 | 一种从镍溶液中深度除铜的试剂硫代碳酸镍的合成方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2287285A (en) * | 1940-08-30 | 1942-06-23 | Dow Chemical Co | Preparation of potassium thiocarbonate |
| US2893835A (en) * | 1955-03-17 | 1959-07-07 | Monsanto Chemicals | Process for preparing thiocarbonates |
| US3753918A (en) * | 1970-01-27 | 1973-08-21 | Olin Corp | Solution of alkali metal trithiocarbonate in dimethyl sulfoxide |
| AU571526B2 (en) * | 1983-05-02 | 1988-04-21 | Entek Corporation | Method of soil fumigation using tri- and tetra-thiocarbonates |
-
1990
- 1990-09-27 IL IL9582590A patent/IL95825A/en not_active IP Right Cessation
- 1990-09-30 CN CN90108050.0A patent/CN1052851A/zh active Pending
- 1990-10-01 YU YU184890A patent/YU184890A/sh unknown
- 1990-10-01 EP EP90915039A patent/EP0494933A1/fr not_active Ceased
- 1990-10-01 AU AU65191/90A patent/AU6519190A/en not_active Abandoned
- 1990-10-01 JP JP2514079A patent/JPH05500498A/ja active Pending
- 1990-10-01 BR BR909007699A patent/BR9007699A/pt not_active IP Right Cessation
- 1990-10-01 MA MA22235A patent/MA21966A1/fr unknown
- 1990-10-01 WO PCT/US1990/005582 patent/WO1991004944A1/fr not_active Ceased
- 1990-10-01 PT PT95482A patent/PT95482B/pt not_active IP Right Cessation
- 1990-10-01 HU HU9201097A patent/HUT61250A/hu unknown
- 1990-10-01 AP APAP/P/1990/000211A patent/AP212A/en active
- 1990-10-01 CA CA002067125A patent/CA2067125A1/fr not_active Abandoned
- 1990-10-02 TR TR90/0951A patent/TR24796A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HU9201097D0 (en) | 1992-06-29 |
| JPH05500498A (ja) | 1993-02-04 |
| MA21966A1 (fr) | 1991-07-01 |
| EP0494933A1 (fr) | 1992-07-22 |
| AU6519190A (en) | 1991-04-28 |
| IL95825A (en) | 1994-12-29 |
| CN1052851A (zh) | 1991-07-10 |
| TR24796A (tr) | 1992-05-01 |
| AP9000211A0 (en) | 1990-10-31 |
| IL95825A0 (en) | 1991-06-30 |
| CA2067125A1 (fr) | 1991-04-03 |
| HUT61250A (en) | 1992-12-28 |
| BR9007699A (pt) | 1992-07-21 |
| PT95482A (pt) | 1991-06-25 |
| AP212A (en) | 1992-09-06 |
| WO1991004944A1 (fr) | 1991-04-18 |
| YU184890A (sh) | 1993-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB1A | Laying open of patent application |
Effective date: 19910213 |
|
| FG3A | Patent granted, date of granting |
Effective date: 19980506 |
|
| PC3A | Transfer or assignment |
Free format text: 20010927 ENTEK CORPORATION US |
|
| TE3A | Change of address (patent) |
Owner name: UNION OIL COMPANY OF CALIFORNIA Effective date: 20010927 |
|
| MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20021130 |