Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
選択的抽出により核分裂ランタニドからトランスプルトニドを分離する方法
Document Type and Number:
Japanese Patent JP4308358
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an extraction method capable of separating actinide from nuclear fission lanthanide with high selectivity at a low working cost by using an extracting agent described below. SOLUTION: A soln. of a 2,6-di-substd. pyridine deriv. in a paraffinic, advantageously, branched chain alicyclic or arom. solvent, is used as an extracting agent. The substituent is a 5-membered or 6-membered heterocyclic group having 3 nitrogen atoms in a cyclic structure, i.e., 1,2,4-tryazole-5-yl substituted with an alkyl-, aryl-, arylalkyl- or alkylaryl group in a third position, 1,2,4-tryazole-3- yl substituted with the alkyl-, aryl-, arylalkyl- or alkylaryl group in a fifth position, 1,2,4-tryazine-3-yl substituted with the alkyl-, aryl-, arylalkyl- or alkylaryl group in fifth and sixth positions, 1,3,5-tryazine-2-yl substituted with the alkyl-, aryl-, arylalkyl- or alkylaryl group.

Inventors:
Tudenek Corraliku
Ud Mürich
Franz Gasner
Application Number:
JP6492399A
Publication Date:
August 05, 2009
Filing Date:
March 11, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Forschungszentrum Karlsruhe GmbH
International Classes:
B01D11/04; C01G56/00; C01F17/17; C22B60/02; G21C19/46; G21F9/06
Domestic Patent References:
JP62036347A
JP2031836A
JP2063550A
JP4147097A
JP6505508A
JP10115695A
JP11118995A
JP11211889A
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Reinhard Einsel



 
Previous Patent: 物品の搬送方法

Next Patent: IGNITION DEVICE