JP4674727B2 - Separation apparatus for radioisotope thallium-201 - Google Patents
Separation apparatus for radioisotope thallium-201 Download PDFInfo
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- JP4674727B2 JP4674727B2 JP2006292079A JP2006292079A JP4674727B2 JP 4674727 B2 JP4674727 B2 JP 4674727B2 JP 2006292079 A JP2006292079 A JP 2006292079A JP 2006292079 A JP2006292079 A JP 2006292079A JP 4674727 B2 JP4674727 B2 JP 4674727B2
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Description
本発明は、放射性同位元素タリウム−２０１の分離装置に関し、特に、迅速に純度が比較的に高い鉛−２０１溶液を分離でき、そして、当該鉛−２０１溶液に対して、核分裂とイオン交換を行って放射性同位元素タリウム−２０１が得られる分離装置に関する。 The present invention relates to an apparatus for separating radioisotope thallium-201, and in particular, can quickly separate a lead-201 solution having a relatively high purity, and performs fission and ion exchange on the lead-201 solution. The present invention relates to a separation apparatus from which radioisotope thallium-201 is obtained.
タリウム−２０１塩化第一タリウムは、心筋によって素早く吸収されて心筋に集中するため、心臓病を診断するための心筋造影に利用され、また、腫瘍造影等の他の医療診断に利用され、そのため、タリウム−２０１は、内外の核医学分野において、使用量が最も多い放射性同位元素の一つである。 Thallium-201 thallium chloride is quickly absorbed by the myocardium and concentrated in the myocardium, so it is used for myocardial imaging for diagnosing heart disease, and for other medical diagnoses such as tumor imaging, Thallium-201 is one of the most used radioisotopes in the field of nuclear medicine inside and outside.
一般の、タリウム−２０１の製造方法は、文献「Ｑａｉｍ Ｓ．Ｍ．、Ｗｅｉｎｒｅｉｃｈ Ｒ． ａｎｄ Ｏｌｌｉｇ Ｈ．、Ｐｒｏｄｕｃｔｉｏｎ
ｏｆ Ｔｌ−２０１ ａｎｄ Ｐｂ２０３ ｖｉａ
Ｐｒｏｔｏｎ Ｉｎｄｕｃｅｄ Ｎｕｃｌｅａｒ Ｒｅａｃｔｉｏｎ ｏｎ
Ｎａｔｕｒａｌ Ｔｈａｌｌｉｕｍ、 Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｊｏｕｒｎａｌ ｏｆ Ａｐｐｌｉｅｄ Ｒａｄｉａｔｉｏｎ
ａｎｄ Ｉｓｏｔｏｐｅｓ、３０（１９７９）ｐｐ．８５−９５．」に記載されているように、直接的に清水洗によりタリウム−２０１を洗い出す。しかし、清水洗によってタリウム−２０１を洗い出す時、タリウム−２０１に不純物が存在するため、作造されたタリウム−２０１の純度が比較的に低いから、実用的とは言えない。
A general method for producing thallium-201 is described in the literature “Qaim SM, Weinrich R. and Olig H., Production.
of Tl-201 and Pb203 via
Proton Induced Nuclear Reaction on
Natural Thallium, International Journal of Applied Radiation
and Isotopes, 30 (1979) pp. 85-95. The thallium-201 is washed out directly by washing with fresh water. However, when thallium-201 is washed out by washing with fresh water, impurities are present in thallium-201, so that the produced thallium-201 has a relatively low purity, so it is not practical.
本発明の主な目的は、タリウム−２０３固体ターゲット材料から迅速に鉛−２０１溶液を分離でき、そして、鉛−２０１溶液に対して核分裂とイオン交換を行って放射性同位元素タリウム−２０１が得られる放射性同位元素タリウム−２０１の分離装置を提供する。 The main object of the present invention is to quickly separate the lead-201 solution from the thallium-203 solid target material and to fission and ion exchange on the lead-201 solution to obtain the radioisotope thallium-201. An apparatus for separating the radioisotope thallium-201 is provided.
本発明は、上記の目的を達成するために、少なくとも、溶解槽と、沈殿槽と、第１のガラス槽と、第２のガラス槽と、イオン交換カラムと、鉛−２０１収集瓶と、第３のガラス槽と、タリウム−２０３収集瓶と、真空装置とから構成され、上記溶解槽と第１のガラス槽とが連接され、それぞれ第１の制御弁と第２の制御弁及び第３の制御弁を介してそれぞれの上記ガラス槽が真空装置と連接され、第１のガラス槽の他の側には第４の制御弁が連接され、該第４の制御弁を開けばその内容物が滴下されて溜まるように上記沈殿槽が配置され、該沈殿槽には第２のガラス槽が連接され、上記沈殿槽の底部には三方制御弁の一方の口が連接され、該三方制御弁の少なくとも他の一方の口は第３のガラス槽に連接され、上記第２のガラス槽の他方の側に第５の制御弁を介してイオン交換カラムが連接され、上記イオン交換カラムの他方の側に第６の制御弁を介して鉛−２０１収集瓶が連接され、上記第３のガラス槽の他方の側に第７の制御弁を介してタリウム−２０３収集瓶が連接される放射性同位元素タリウム−２０１の分離装置である。 In order to achieve the above object, the present invention provides at least a dissolution tank, a precipitation tank, a first glass tank, a second glass tank, an ion exchange column , a lead-201 collection bottle, 3 glass tanks, a thallium-203 collection bottle, and a vacuum apparatus, the melting tank and the first glass tank are connected to each other, and the first control valve, the second control valve, and the third Each glass tank is connected to a vacuum apparatus via a control valve, a fourth control valve is connected to the other side of the first glass tank, and the contents are opened by opening the fourth control valve. The settling tank is disposed so as to be dripped and collected, a second glass tank is connected to the settling tank, and one port of a three-way control valve is connected to the bottom of the settling tank. At least the other mouth is connected to the third glass tank, and the other side of the second glass tank The ion exchange column is connected via a fifth control valve, lead -201 collection bottle through a control valve of the sixth to the other side of the ion exchange column is connected, the other of the third glass tank This is a separation apparatus for radioisotope thallium-201, to which a thallium-203 collection bottle is connected via a seventh control valve on the side.
図１は、本発明の基本構造概念図である。図のように、本発明は、放射性同位元素タリウム−２０１の分離装置であり、少なくとも、溶解槽１と、沈殿槽４と、第１のガラス槽３と、第２のガラス槽５と、イオン交換カラム６と、鉛−２０１収集瓶７と、第３のガラス槽８と、タリウム−２０３収集瓶９と、真空装置２とから構成され、上記溶解槽１と第１のガラス槽３とが連接され、それぞれ第１の制御弁２１と第２の制御弁２２及び第３の制御弁２３を介してそれぞれの上記ガラス槽が真空装置２と連接され、第１のガラス槽３の他の側には第４の制御弁３１が連接され、該第４の制御弁３１を開けばその内容物が滴下されて溜まるように上記沈殿槽４が配置され、該沈殿槽４には第２のガラス槽５が連接され、上記沈殿槽４の底部には三方制御弁４１の一方の口が連接され、該三方制御弁４１の少なくとも他の一方の口は第３のガラス槽８に連接され、上記第２のガラス槽５の他方の側に第５の制御弁５１を介してイオン交換カラム６が連接され、上記イオン交換カラム６の他方の側に第６の制御弁６１を介して鉛−２０１収集瓶７が連接され、上記第３のガラス槽８の他方の側に第７の制御弁８１を介してタリウム−２０３収集瓶９が連接されている。上記の構造により、快速的に鉛−２０１液体を分離できる新規な放射性同位元素タリウム−２０１の分離装置が構成される。 FIG. 1 is a conceptual diagram of the basic structure of the present invention. As shown in the figure, the present invention is a separation apparatus for radioisotope thallium-201, and includes at least a dissolution tank 1, a precipitation tank 4, a first glass tank 3, a second glass tank 5, and ions. The exchange column 6, the lead-201 collection bottle 7, the third glass tank 8, the thallium-203 collection bottle 9, and the vacuum apparatus 2 are configured, and the dissolution tank 1 and the first glass tank 3 are provided. is connected, the first control valve 21 is the second control valve 22 and the third respectively the glass tank via the control valve 23 of the articulated a vacuum apparatus 2, respectively, the first on the other side of the glass vessel 3 the the fourth control valve 31 is connected, opening the control valve 31 of the fourth its contents is the settling tank 4 is disposed so accumulated is dropped, the precipitate vessel 4 a second glass bath 5 is connected, at the bottom of the settling tank 4 one three ports control valve 41 is connected, the At least another one of the mouth of the rectangular control valve 41 is connected to the third glass tank 8, an ion exchange column 6 via a fifth control valve 51 on the other side of the second glass vessel 5 is connected The lead-201 collection bottle 7 is connected to the other side of the ion exchange column 6 via a sixth control valve 61 and the other side of the third glass tank 8 via a seventh control valve 81. The thallium-203 collection bottle 9 is connected. With the above structure, a novel radioisotope thallium-201 separation apparatus capable of rapidly separating lead-201 liquid is constructed.
図２は、本発明の一実施例の概念図である。図のように、本発明に係わる分離装置により、タリウム−２０３固体ターゲット材料を分離して、鉛−２０１溶液が分離され、また、当該鉛−２０１溶液に対して核分裂とイオン交換を行うことにより、放射性同位元素タリウム−２０１が得られる。 FIG. 2 is a conceptual diagram of an embodiment of the present invention. As shown in the figure, the thallium-203 solid target material is separated by the separation apparatus according to the present invention to separate the lead-201 solution, and the lead-201 solution is subjected to fission and ion exchange. The radioisotope thallium-201 is obtained.
操作に際して、まず、鉛−２０１を含有するタリウム−２０３固体ターゲット材料を当該溶解槽１に入れ込んでから、１．６Ｎ硝酸と第二鉄イオン及び水を添加し、当該タリウム−２０３固体ターゲット材料が溶液に溶解される。 In operation, first, a thallium-203 solid target material containing lead-201 is put into the dissolution tank 1, 1.6N nitric acid, ferric ion and water are added, and the thallium-203 solid target material is added. Is dissolved in the solution.
第１の制御弁２１を開放して、当該真空装置２により全部の鉛−２０１溶液とタリウム−２０３溶液を当該第１のガラス槽３に吸い込み、その後、当該第１の制御弁２１を締めてから、アンモニアを添加して混合し、そして、第４の制御弁３１を開放して、当該第１のガラス槽３内においてアンモニアと混合した鉛−２０１溶液とタリウム−２０３溶液が当該沈殿槽４に滴入し、そして、水を添加して沈殿させ、これにより、当該鉛−２０１とタリウム−２０３の溶液が、タリウム−２０３を含む液体と鉛−２０１を含む沈殿物に分離される。 The first control valve 21 is opened, all the lead-201 solution and the thallium-203 solution are sucked into the first glass tank 3 by the vacuum device 2, and then the first control valve 21 is closed. Then, ammonia is added and mixed. Then, the fourth control valve 31 is opened, and the lead-201 solution and the thallium-203 solution mixed with ammonia in the first glass tank 3 are added to the precipitation tank 4. The solution of lead-201 and thallium-203 is separated into a liquid containing thallium-203 and a precipitate containing lead-201.
第２の制御弁２２を開放して、真空装置２により、当該沈殿槽４から、全部の鉛−２０１を含む沈殿物を第２のガラス槽５内に吸い込み、その後、当該第２の制御弁２２を締めてから、８Ｎ塩酸を添加して混合して溶解し、そして、第５の制御弁５１を開放して、当該鉛−２０１溶液が当該イオン交換カラム６に滴入し、そして、樹脂によりイオン交換を行い、これにより、鉛−２０１溶液中の鉄を濾過分離し、続いて、第６の制御弁６１を開放し、純粋な鉛−２０１溶液が鉛−２０１収集瓶７に滴入する。 The second control valve 22 is opened, and the vacuum device 2 sucks all the lead-201 precipitate from the settling tank 4 into the second glass tank 5, and then the second control valve After tightening 22, 8N hydrochloric acid is added and mixed to dissolve, and the fifth control valve 51 is opened, the lead-201 solution is dropped into the ion exchange column 6, and the resin The ion exchange is performed by the above, whereby the iron in the lead-201 solution is filtered and separated, and then the sixth control valve 61 is opened, and the pure lead-201 solution is dropped into the lead-201 collection bottle 7 To do.
そして、沈殿槽４に連接される三方制御弁４１と第３の制御弁２３を開放し、真空装置２により、当該沈殿槽４にあるタリウム−２０３溶液を、当該第３のガラス槽８に吸い込んでから、当該第３の制御弁２３を締めるとともに第７の制御弁８１を開放し、これにより、当該第３のガラス槽８内のタリウム−２０３溶液が、当該タリウム−２０３収集瓶９に滴入する。 Then, the three-way control valve 41 and the third control valve 23 connected to the settling tank 4 are opened, and the thallium-203 solution in the settling tank 4 is sucked into the third glass tank 8 by the vacuum device 2. Then, the third control valve 23 is closed and the seventh control valve 81 is opened, so that the thallium-203 solution in the third glass tank 8 drops into the thallium-203 collection bottle 9. Enter.
その後、鉛−２０１収集瓶７から鉛−２０１溶液を取り出して核崩壊させ、鉛−２０１溶液を、タリウム−２０１溶液に核分裂させてから、イオン交換により、放射性同位元素タリウム−２０１が得られる。また、当該三方制御弁４１は、第８の制御弁４２が連接され、窒素ガスの供給を制御できる。 Thereafter, the lead-201 solution is taken out from the lead-201 collection bottle 7 to cause nuclear decay, the lead-201 solution is fissioned into the thallium-201 solution, and then the radioisotope thallium-201 is obtained by ion exchange. The three-way control valve 41 is connected to an eighth control valve 42 and can control the supply of nitrogen gas.
以上のように、本発明に係わる放射性同位元素タリウム−２０１の分離装置は、有効的に従来の様々の欠点を改善でき、迅速にタリウム−２０３固体ターゲット材料から鉛−２０１溶液が分離され、そして、当該鉛−２０１溶液に対して核分裂とイオン交換を行うことにより、放射性同位元素タリウム−２０１が得られ、そのため、本発明は、より実用的なものであるから、法に従って特許出願する。 As described above, the radioisotope thallium-201 separation apparatus according to the present invention can effectively improve various conventional disadvantages, and lead-201 solution can be quickly separated from thallium-203 solid target material, and Radioisotope thallium-201 is obtained by performing fission and ion exchange on the lead-201 solution, and therefore the present invention is more practical, so a patent application is filed according to the law.
以上は、ただ、本発明のより良い実施例であり、本発明は、それによって制限されることがなく、本発明に係わる特許請求の範囲や明細書の内容に従って行った等価の変更や修正は、全てが、本発明に係わる特許請求の範囲内に含まれる。 The above are merely preferred embodiments of the present invention, and the present invention is not limited thereby, and equivalent changes and modifications made in accordance with the scope of the claims and the description of the present invention are not limited thereto. All within the scope of the claims relating to the present invention.
１ 溶解槽
２ 真空装置
２１ 第１の制御弁
２２ 第２の制御弁
２３ 第３の制御弁
３ 第１のガラス槽
３１ 第４の制御弁
４ 沈殿槽
４１ 三方制御弁
４２ 第８の制御弁
５ 第２のガラス槽
５１ 第５の制御弁
６ イオン交換カラム
６１ 第６の制御弁
７ 鉛−２０１収集瓶
８ 第３のガラス槽
８１ 第７の制御弁
９ タリウム−２０１収集瓶
DESCRIPTION OF SYMBOLS 1 Dissolution tank 2 Vacuum device 21 1st control valve 22 2nd control valve 23 3rd control valve 3 1st glass tank 31 4th control valve 4 Sedimentation tank 41 Three-way control valve 42 8th control valve 5 Second glass tank 51 Fifth control valve 6 Ion exchange column 61 Sixth control valve 7 Lead-201 collection bottle 8 Third glass tank 81 Seventh control valve 9 Thallium-201 collection bottle
Claims (2)
上記溶解槽と第１ガラス槽とが連接され、
第１のガラス槽と、第２のガラス槽と、第３のガラス槽との間に、それぞれ第１の制御弁と第２の制御弁及び第３の制御弁を介して上記それぞれのガラス槽の一方の側に真空装置が連接され、
上記第１のガラス槽の他方の側に第４の制御弁が連接され、
該第４の制御弁を開けば第１のガラス槽の内容物が滴下されて溜まるように上記沈殿槽が配置され、
該沈殿槽には、前記第２の制御弁を開けば該沈殿槽の沈殿物が第２のガラス槽に吸い込まれるように第２のガラス槽が連接され、
上記沈殿槽の底部には三方制御弁の一方の口が連接され、
該三方制御弁の少なくとも他の一方の口は第３のガラス槽に連接され、
上記第２のガラス槽の他方の側に第５の制御弁を介してイオン交換カラムが連接され、
上記イオン交換カラムの他方の側に第６の制御弁を介して鉛−２０１収集瓶が連接され、
上記第３のガラス槽の他方の側に第７の制御弁を介してタリウム−２０３収集瓶が連接されることを特徴とする放射性同位元素タリウム−２０１の分離装置。 At least a dissolution tank, a precipitation tank, a first glass tank, a second glass tank, an ion exchange column, a lead-201 collection bottle, a third glass tank, a thallium-203 collection bottle, and a vacuum An apparatus for separating radioisotope thallium-201 composed of the apparatus,
The melting tank and the first glass tank are connected,
Each said glass tank via a 1st control valve, a 2nd control valve, and a 3rd control valve between a 1st glass tank, a 2nd glass tank, and a 3rd glass tank, respectively A vacuum device is connected to one side of the
A fourth control valve is connected to the other side of the first glass tank;
If the fourth control valve is opened, the settling tank is arranged so that the contents of the first glass tank are dropped and collected,
The second glass tank is connected to the settling tank so that the sediment in the settling tank is sucked into the second glass tank by opening the second control valve,
One port of a three-way control valve is connected to the bottom of the settling tank,
At least one other port of the three-way control valve is connected to a third glass tank;
An ion exchange column is connected to the other side of the second glass tank via a fifth control valve,
A lead-201 collection bottle is connected to the other side of the ion exchange column via a sixth control valve,
An apparatus for separating radioisotope thallium-201, wherein a thallium-203 collection bottle is connected to the other side of the third glass tank through a seventh control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006292079A JP4674727B2 (en) | 2006-10-27 | 2006-10-27 | Separation apparatus for radioisotope thallium-201 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006292079A JP4674727B2 (en) | 2006-10-27 | 2006-10-27 | Separation apparatus for radioisotope thallium-201 |
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| Publication Number | Publication Date |
|---|---|
| JP2008104988A JP2008104988A (en) | 2008-05-08 |
| JP4674727B2 true JP4674727B2 (en) | 2011-04-20 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3993538A (en) * | 1976-01-27 | 1976-11-23 | The United States Of America As Represented By The United States Energy Research And Development Administration | Production of high purity radiothallium |
| JPH01102397A (en) * | 1987-10-16 | 1989-04-20 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of carrier free radioactive isotope yttrium-88 |
| JP2004535288A (en) * | 2001-06-05 | 2004-11-25 | メジ − フィジックス、インコーポレイテッド | Target processing |
-
2006
- 2006-10-27 JP JP2006292079A patent/JP4674727B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3993538A (en) * | 1976-01-27 | 1976-11-23 | The United States Of America As Represented By The United States Energy Research And Development Administration | Production of high purity radiothallium |
| JPH01102397A (en) * | 1987-10-16 | 1989-04-20 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of carrier free radioactive isotope yttrium-88 |
| JP2004535288A (en) * | 2001-06-05 | 2004-11-25 | メジ − フィジックス、インコーポレイテッド | Target processing |
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|---|---|
| JP2008104988A (en) | 2008-05-08 |
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