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radiochemical purity
The optimal amounts of DMAE (25 μl in 50 μl of ethanol) and tC18 (0.1 g) were found, providing a high radiochemical yield of the labeled choline (85%, corrected for radioactive decay) and radiochemical purity of more than 99.5%.
      
With 166Ho-albumin microspheres as example, an algorithm was developed for evaluation of the radiochemical purity of the preparation.
      
It was found that the radiochemical purity of the preparation, which is primarily determined by impurities of rare-earth elements, can be estimated from the content of 152mEu.
      
A simple "dry" procedure was developed for isolation of 186Re with a yield no less than 85% and radiochemical purity no worse than 99.99%.
      
The radiochemical purity of a 131I preparation (the iodide fraction) was determined by ascending paper chromatography using a mixture of sodium iodide, sodium iodate, and sodium carbonate as a carrier and aqueous methanol as an eluent.
      
The radiochemical purity of 131I determined by this procedure was 99.98%.
      
[18F]FET was prepared with a high radiochemical purity (>amp;gt;95%); the total synthesis time, including HPLC purification, was 60 min, and the unoptimized radiochemical yield (corrected for the radioactive decay) was about 20%.
      
A new mini-paper chromatography (MPC) system has been developed to analyze the radiochemical purity (RCP) of the labeled preparation involving two different developing solvents.
      
Electrophoretic analysis, thin-layer chromatography, and immunohistochemical tests have demonstrated the radiochemical purity, immunochemical competence, and stability of the labeled antibodies in vivo.
      
The radiochemical yield is about 40% (no decay corrected) and radiochemical purity more than 97% after simplified solid phase extraction.
      
The β-emitters 204Tl and 210Bi were separated in radiochemical purity.
      
A procedure for the determination of the radiochemical purity of a carrier solution is described and carried out with the orthophosphate solution.
      
Good agreement with certified values and high radiochemical purity of the spectra show the applicability of the radiochemical separation developed.
      
The method is based on a combination of neutron activation with selective and quantitative isolation of the analyte in a state of high radiochemical purity by use of column chromatography followed by gamma-ray spectrometric measurements.
      
Radiochemical purity and in vitro stability were controlled by paper chromatography in acetone.
      
Radiochemical purity of various 99mTc-labelled bone-scanning agents
      
The radiochemical purity of preparations for 99mTc-bone-scanning was tested using thin-layer chromatography and electrophoresis.
      
A note to "Radiochemical purity of various 99mTc-labelled bone-scanning agents"
      
Radiochemical purity of a 99mTc-labeled pyrophosphate techneScan PYP
      
A procedure for the radiochemical purity control of colloid and particulate 99mTc-labeled radiopharmaceuticals is described.
      
 

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