RO87984B1 - Procedeu de obtinere a seleniatului de sodiu - Google Patents
Procedeu de obtinere a seleniatului de sodiuInfo
- Publication number
- RO87984B1 RO87984B1 RO112750A RO11275083A RO87984B1 RO 87984 B1 RO87984 B1 RO 87984B1 RO 112750 A RO112750 A RO 112750A RO 11275083 A RO11275083 A RO 11275083A RO 87984 B1 RO87984 B1 RO 87984B1
- Authority
- RO
- Romania
- Prior art keywords
- obtaining process
- sodium selenate
- sodium
- subjected
- amount
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- PMYDPQQPEAYXKD-UHFFFAOYSA-N 3-hydroxy-n-naphthalen-2-ylnaphthalene-2-carboxamide Chemical compound C1=CC=CC2=CC(NC(=O)C3=CC4=CC=CC=C4C=C3O)=CC=C21 PMYDPQQPEAYXKD-UHFFFAOYSA-N 0.000 title 1
- 229960001881 sodium selenate Drugs 0.000 title 1
- 235000018716 sodium selenate Nutrition 0.000 title 1
- 239000011655 sodium selenate Substances 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 abstract 2
- 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 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- BVTBRVFYZUCAKH-UHFFFAOYSA-L disodium selenite Chemical compound [Na+].[Na+].[O-][Se]([O-])=O BVTBRVFYZUCAKH-UHFFFAOYSA-L 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000007747 plating Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- QYHFIVBSNOWOCQ-UHFFFAOYSA-N selenic acid Chemical compound O[Se](O)(=O)=O QYHFIVBSNOWOCQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229960001471 sodium selenite Drugs 0.000 abstract 1
- 239000011781 sodium selenite Substances 0.000 abstract 1
- 235000015921 sodium selenite Nutrition 0.000 abstract 1
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Prezenta inventie se refera la un procedeu de obtinere a seleniatului de sodiu, conform caruia, folosindu-se ca material de placare bioxidul de seleniu, acesta este supus oxidarii cu o cantitate de apa oxigenata 30% corespunzatoare unui exces de 10...15% fata de cantitatea stoichiometrica, dupa care solutia de acid selenic astfel formata, este supusa neutralozarii cu o solutie de hidroxid de sodiu pîna la un pH de 8,0...8,2, separîndu-se apoi prin racire seleniatul de sodiu cristalizat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO83112750A RO87984A2 (ro) | 1983-12-06 | 1983-12-06 | Procedeu de obtinere a seleniatului de sodiu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO83112750A RO87984A2 (ro) | 1983-12-06 | 1983-12-06 | Procedeu de obtinere a seleniatului de sodiu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO87984B1 true RO87984B1 (ro) | 1985-10-31 |
| RO87984A2 RO87984A2 (ro) | 1985-11-30 |
Family
ID=20113956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO83112750A RO87984A2 (ro) | 1983-12-06 | 1983-12-06 | Procedeu de obtinere a seleniatului de sodiu |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO87984A2 (ro) |
-
1983
- 1983-12-06 RO RO83112750A patent/RO87984A2/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO87984A2 (ro) | 1985-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SU625597A3 (ru) | Способ получени двуокиси марганца | |
| DE69108011D1 (de) | Verfahren zur erzeugung von hochreinen konzentrierten kaliumhypochloridlösungen. | |
| DE3564436D1 (en) | Stable sulpho+adenosyl-l-methionine (same) salts, particularly suitable for oral pharmaceutical use | |
| DK160806C (da) | Stabil, vandig syreoploesning af cis-platin egnet til injektion og fremgangsmaade til fremstilling heraf | |
| RU94029669A (ru) | Способ удаления свинца и кадмия из фосфорной кислоты | |
| RO87984B1 (ro) | Procedeu de obtinere a seleniatului de sodiu | |
| CH609043A5 (en) | Process for the preparation of trans- DELTA <2>-prostaglandins | |
| IL74114A0 (en) | Process for the preparation of alkanephosphonous acids | |
| ES471032A1 (es) | Un procedimiento para el tratamiento de soluciones acuosas de acido sulfurico, que contienen sulfato ferroso disuelto | |
| ATE17224T1 (de) | Verfahren zur erzeugung von kristallwasserhaltigem natriumhypochlorit. | |
| KR880003066A (ko) | 황화물을 함유치 않은 알칼리액의 제조방법 | |
| HUT68356A (en) | Process for the preperation of organic salts of n-phosphonomethylglycine | |
| IL78325A0 (en) | Process for the manufacture of pure phosphate salts | |
| JPS5921510A (ja) | リン酸一水素カルシウム二水化物の製法 | |
| FR2314951A1 (fr) | Procede d'elimination des impuretes contenues dans une solution de sulfate du groupe du zinc et du cadmium | |
| SE8206202D0 (sv) | Forfarande for framstellning av vattenreningskemikalie | |
| GB1066024A (en) | Production of beryllium hydroxide | |
| Candlin et al. | 707. Sulphur–nitrogen compounds. Part II. The hydrolysis of hydroxylaminetrisulphonate and hydroxylamine-NO-disulphonate ions in perchloric acid | |
| US3617297A (en) | Process for the production of dl-methionine composition | |
| ATE1350T1 (de) | Verfahren zur herstellung von zinkfreien alkaliphosphatloesungen. | |
| SU1212937A1 (ru) | Способ получени раствора гипофосфита меди | |
| CN113105370A (zh) | 一种烷基磺酸盐的生产及纯化方法 | |
| ES387549A1 (es) | Procedimiento para la preparacion de un perborato de sodio tetrahidratado. | |
| GR3000519T3 (en) | Process for the preparation of aldonic acids or their salts | |
| DE3366400D1 (en) | Process for the production of 3-(10,11-dihydro-5h-dibenzo(a,d)-cyclohepten-5-ylidene)-n,n-dimethyl-1-propaneamine-n-oxide |