A polarographic determination of trace amounts of lead in zirconium and its alloys

A method was developed for determining lead in reactor-grade zirconium and zirconium alloys. The procedure involves a preliminary separation of the leaddiethyldithiocarbamate complex and subsequent determination of the metal by using a cathode-ray polarograph. The procedure is satisfactory over the...

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Veröffentlicht in:Analyst 1960-01, Vol.85 (1007), p.139
Hauptverfasser: Wood, D. F., Nicholls, H. A.
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Nicholls, H. A.
description A method was developed for determining lead in reactor-grade zirconium and zirconium alloys. The procedure involves a preliminary separation of the leaddiethyldithiocarbamate complex and subsequent determination of the metal by using a cathode-ray polarograph. The procedure is satisfactory over the range 20 to 100 ppm of lead. Iron and molybdenum interfere, but interference by amounts up to at least 1 and 2.5%, respectively, can be overcome by a preliminary extraction with diethyl ether from acid solution. (auth)
doi_str_mv 10.1039/an9608500139
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The procedure involves a preliminary separation of the leaddiethyldithiocarbamate complex and subsequent determination of the metal by using a cathode-ray polarograph. The procedure is satisfactory over the range 20 to 100 ppm of lead. Iron and molybdenum interfere, but interference by amounts up to at least 1 and 2.5%, respectively, can be overcome by a preliminary extraction with diethyl ether from acid solution. (auth)</abstract><doi>10.1039/an9608500139</doi></addata></record>
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source Royal Society of Chemistry Journals Archive (1841-2007); Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects ACIDS
CARBAMATES
CATHODES
CHEMISTRY
COMPLEXES
DETECTION
ETHERS
ETHYL RADICALS
IMPURITIES
INSTRUMENTS
IRON
LEAD
LEAD COMPLEXES
MOLYBDENUM
ORGANIC SULFUR COMPOUNDS
POLAROGRAPHY
QUANTITATIVE ANALYSIS
SENSITIVITY
SEPARATION PROCESSES
SOLUTIONS
SOLVENT EXTRACTION
USES
ZIRCONIUM
ZIRCONIUM ALLOYS
title A polarographic determination of trace amounts of lead in zirconium and its alloys
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