Spectrophotometric Determination of Nb in Steel, Ta and Zr as a Mixed Ligand Complex Formed with Ammonium 1-Pyrrolidinyldithiocarbamate and Pyrocatechol
1976 ◽
Vol 40
(11)
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pp. 1093-1097
1979 ◽
Vol 26
(2)
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pp. 79-82
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1979 ◽
Vol 294
(5)
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pp. 413-413
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1985 ◽
Vol 90
(2)
◽
pp. 247-254
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