-
Article
Characterisation of lead rhodizonate as barium and radium adsorber from fresh water
A new adsorber for concentrating barium and radium from diluted solutions and from fresh waters was prepared. It consists of basic lead rhodizhonate, namely [Pb(OH)]2C6O6·PbC6O6·H2O, supported on activated charco...
-
Article
Characterisation of lead rhodizonate as barium and radium adsorber from fresh water
Batchwise measurement of distribution coefficients of earth alkaline metals, on LERHO, lead rhodizonate supported on charcoal, were studied. The adsorption appears to be related to solubility of barium and lea...
-
Article
A novel approach to Ca-Sr separation in the determination of90Sr using inorganic exchangers: An application to environmental samples
A procedure for90Sr determination in calcium rich samples is presented. It is based on the precipitation of calcium oxalate in homogeneous solution and under controlled conditions to minimize the coprecipitation ...
-
Article
Characterization of copper chromate as a new inorganic exchanger for the isolation of Sr radioisotopes from fission products
A new inorganic exchanger consisting of the normal copper chromate (CUCR) was prepared and studied: its application to radiochemical separations was explored after batchwise measuring the distribution coeffici...
-
Article
Characterization of a partially reduced tin(IV) oxide and of its cation exchange properties
A novel type of tin oxide and its cation exchange properties are described. The preparation of the oxide is rather unusual and consists in the precipitation of SnO·xH2O in the presence of sodium nitroprusside and...
-
Article
Copper hexacyanoferate(II) and (III) as trace cesium adsorbers from natural waters
A description is given of the preparation of copper hexacyanoferrate(II) supported on silica granules. The material in this form is suitable for use as adsorber in batch for concentrating trace cesium from cea...
-
Chapter and Conference Paper
Methodological Approach to the Clinical Evaluation of Nootropic Drugs
Numerous drugs have been suggested and employed for the treatment of cerebral insufficiency. They were variously classified without any indication of their particular features. Nowadays, nootropics have to be ...
-
Chapter and Conference Paper
Methodologischer Ansatz zur klinischen Evaluation nootropischer Pharmaka
Zahlreiche Pharmaka wurden zur Behandlung zerebraler Insuffizienz vorgeschlagen und eingesetzt. Sie wurden in verschiedener Weise ohne jede Angabe ihrer besonderen Merkmale klassifiziert. Inzwischen muß die Li...
-
Article
Distribution of minor and trace elements among some Italian chondritic meteorites
The cobalt, nickel, zinc, selenium, rubidium and cesium content was determined in eight Italian chondritic meteorites by destructive neutron activation analysis. The chemical procedure involves only a few step...
-
Article
Some noble metals and copper content of italian meteorites as determined by destructive neutron activation analysis
Copper, iridium, platinum and gold content was determined in 15 italian chondritic meteorites by destructive neutron activation analysis. The chemical procedure involves few steps: sample dissolution, group se...
