UA88312C2 - Process for the preparation of starting raw material based on sodium or cesium iodide for the growth of monocrystals on their base - Google Patents
Process for the preparation of starting raw material based on sodium or cesium iodide for the growth of monocrystals on their baseInfo
- Publication number
- UA88312C2 UA88312C2 UAA200701952A UAA200701952A UA88312C2 UA 88312 C2 UA88312 C2 UA 88312C2 UA A200701952 A UAA200701952 A UA A200701952A UA A200701952 A UAA200701952 A UA A200701952A UA 88312 C2 UA88312 C2 UA 88312C2
- Authority
- UA
- Ukraine
- Prior art keywords
- vacuuming
- monocrystals
- ampoule
- growth
- sodium
- Prior art date
Links
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention relates to the preparation of starting salts of sodium or cesium iodide for the growth of monocrystals on their base. A process for the preparation of the initial raw material based on sodium or cesium iodide for the growth of monocrystals on their base, comprising loading of the initial salt to the ampoule, its vacuuming, and after that the heating of salt by the constant vacuuming to temperature 420-450 °С, the introduction to the ampoule with the initial salt of dry air with the further holding, ampoule vacuuming, the second pumping of the dry air, holding at temperature 420-450 °С and the second vacuuming. After the second vacuuming the pumping of carbon dioxide to the ampoule to the pressure of 200- of mercury, keeping the salt in the atmosphere of carbon dioxide for 15-20 minutes and the ampoule vacuuming are carried out. The use of the invention allows obtaining iodides of alkali metals, which do not contain hydroxyl groups, providing high scintillation characteristics and photochemical stability of monocrystals.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| UAA200701952A UA88312C2 (en) | 2007-02-26 | 2007-02-26 | Process for the preparation of starting raw material based on sodium or cesium iodide for the growth of monocrystals on their base |
| RU2007142751/15A RU2363777C1 (en) | 2007-02-26 | 2007-11-19 | Method of preparing raw material from sodium or caesium iodides for growing crystals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| UAA200701952A UA88312C2 (en) | 2007-02-26 | 2007-02-26 | Process for the preparation of starting raw material based on sodium or cesium iodide for the growth of monocrystals on their base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UA88312C2 true UA88312C2 (en) | 2009-10-12 |
Family
ID=41022791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UAA200701952A UA88312C2 (en) | 2007-02-26 | 2007-02-26 | Process for the preparation of starting raw material based on sodium or cesium iodide for the growth of monocrystals on their base |
Country Status (2)
| Country | Link |
|---|---|
| RU (1) | RU2363777C1 (en) |
| UA (1) | UA88312C2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040749B (en) * | 2019-05-07 | 2022-03-08 | 上海硅酸盐研究所中试基地 | Ray pure sodium iodide powder and preparation method thereof |
-
2007
- 2007-02-26 UA UAA200701952A patent/UA88312C2/en unknown
- 2007-11-19 RU RU2007142751/15A patent/RU2363777C1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2363777C1 (en) | 2009-08-10 |
| RU2007142751A (en) | 2009-05-27 |
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