scholarly journals 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) ◽  
pp. 1093-1097
Author(s):  
Michiko Namiki
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