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JPS6474226A |
PURPOSE: To obtain the title resin which can improve the heat resistance, mechanical properties, dimensional stability, stability to light and oxygen in air etc., of a cured resin when used as a curing agent, by giving it a structure rep...
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JPH0115490B2 |
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JPH0114899B2 |
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JPH0114897B2 |
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JPH01500660A |
The method comprises the exchange of chemical species between an alkyl-7-hydroxy-8-quinolein-laden stationary phase and the aqueous sodium aluminate phase and is characterized in that the alkyl-7-hydroxy-8-quinolein content is higher tha...
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JPS6445719A |
PURPOSE: To enable easy and efficient collection of a rare earth metal from a dilute solution thereof, by bringing a solution containing the rare earth metal into contact with a chelate resin containing a specific phosphorus atom.- conta...
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JPS647994B2 |
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JPS647010B2 |
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JPS647011B2 |
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JPS6418412A |
PURPOSE: To liberate and recover selected ions by bringing a compd., which is selected from a group expressed by specific formulas into contact, with a multi-ionic soln., forming a complex with the selected ions and separating and decomp...
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JPS6361060B2 |
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JPS6356173B2 |
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JPS63264610A |
Improved processes for the removal from solution of multi-valent alkaline earth metal and/or heavy metal cations are taught, having excellent combinations of cation capacity and resistance to bead breakage. The processes use specified po...
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JPS6353128B2 |
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JPS6352101B2 |
PURPOSE:To efficiently fractionate and recover Ga and In with high purity by using a chelate resin having a formation group of specific structure and selectively adsorbing and separating the ions of Ga and In from the mixed ion soln. of ...
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JPS6349732B2 |
A process for the treatment of solutions of lead chloride, containing as impurities at least one metal chosen from the group consisting of silver, copper and bismuth. This process is characterized by the fact that it involves the followi...
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JPS63236711A |
PURPOSE: To easily and effectively separate rare earth element and Zr, by adding a complexing agent to a solution containing a rare earth element and Zr to effect selective formation of a Zr complex and passing the solution through an io...
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JPS6348587B2 |
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JPS6345402B2 |
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JPS6341922B2 |
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JPS6335645B2 |
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JPS63153229A |
An improved process for the recovery of precious metal values is disclosed. By this process precious metals in the form of anionic complexes are contacted with a weak-base anion exchange resin capable of complexing with the anionic compl...
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JPS6325603B2 |
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JPS6320241B2 |
An aminophosphonic acid chelate resin, prepared by reacting an amino resin having amine-reactive groups (A) with an amino compound having one or more primary and/or secondary amino groups (B) to produce an aminated resin and subsequently...
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JPS6319234B2 |
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JPS63501072A |
Process for the selective recovery of copper from an aqueous metal containing solution in which (a) the solution at a pH of 7 or less is contacted with a chelate exchange resin to selectively remove a substantial proportion or all of the...
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JPS6316333B2 |
A method for recovering gallium from an aqueous solution containing gallium, which comprises contacting the aqueous solution containing gallium to a porous polymer having a water-insoluble substituted quinolinol retained therein, to let ...
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JPS6315284B2 |
The invention pertains to polymeric polydentate complexons (i.e. chelating agents) of general formulae I and II +TR where P is a linear or three-dimensional polymeric skeleton and X is -0- or while R is H, C1-C6 alkyl, or phenyl or pheny...
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JPS6356503A |
PURPOSE: To obtain a novel chelate resin having improved complex forming ability to metallic ion and separating ability, by introducting a multiple ligand consisting of L-lysine-Nα,Nα,N-triacetic acid through the amino group at the -po...
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JPS637837B2 |
Treatment of water for selective and quantitative removal of all cations of the transition elements, with simultaneous adjustment of a definite mole ratio of calcium, magnesium, and the alkali metals, with a cation exchanger which, towar...
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JPS6324025A |
A metal chosen from the group consisting of indium, germanium and gallium is recovered from an acidic solution of these metals. The process is characterised in that it comprises the following stages: a) bringing the said solution into co...
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JPS633881B2 |
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JPS632896B2 |
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JPS631897B2 |
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JPS6261522B2 |
A method for purification of a sulfuric acid solution such as, for example, a copper electrolyte which entrains at least one metal ion species selected from the group consisting of antimony ions, bismuth ions, and iron ions and having a ...
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JPS6259729B2 |
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JPS6258363B2 |
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JPS6255523B2 |
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JPS62267273A |
NEW MATERIAL:A large ring polyamine expressed by formula I (n is 1W15; m is 1 or 2; l is 2 or 3). USE: Utilizable as an ion transport membrane by forming a complex with a porous membrane and capable of stably using the ion transport memb...
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JPS6254782B2 |
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JPS6254127B2 |
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JPS6251141B2 |
A process for the extraction of cesium ions from an aqueous solution with an adduct compound containing a macrocyclical polyether and an inorganic heteropoly acid component. An organic phase in the form of a solution of an adduct compoun...
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JPS6251142B2 |
A process for the extraction of cesium ions from an aqueous solution with an adduct compound in solid form containing a macrocyclical polyether and an inorganic heteropoly acid. The adduct compounds employed comprise an adduct of (a) ben...
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JPS6251140B2 |
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JPS6250182B2 |
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JPS6246548B2 |
Novel complexes of macrocyclic polyethers such as 1,4,7,10,13,16-hexaoxacyclooctadecane (18-crown-6) and disulfonates of the formula I I wherein X represents barium or strontium and R1 is an alkylene moiety, optionally substituted with a...
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JPS6246615B2 |
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JPS62502179A |
A process for the production of a solid, particulate immobilized extractant, which process comprises adsorbing (a) a liquid extractant which is not homopolymerizable onto (b) a porous, solid, particulate, substrate; adsorbing (c) a monom...
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JPS62184397A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS62184396A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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