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Spectrophotometric determination of zinc, cadmium, and lead after extraction of their morpholine-4-carbodithioates into molten naphthalene and replacement by copper

✍ Scribed by C.L. Sethi; B.K. Puri; M. Satake


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
539 KB
Volume
32
Category
Article
ISSN
0026-265X

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Cadmium and lead form 2-nitroso-1-naphthol-4-sulfonic acid-tetradecyldimethylbenzylammonium ion-associated complexes which are quantitatively adsorbed on microcrystalline naphthalene in the pH ranges 5.7-11.0 and 8.0-10.5, respectively. After filtration, the solid mass is shaken with 10 ml of 1 M hy