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Polarographic Determination of Germanium
Author(s) -
Pan Kuan,
Sun PengJoung,
Wong WenKuei
Publication year - 1961
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.196100034
Subject(s) - chemistry , germanium , polarography , molar ratio , analytical chemistry (journal) , molar , buffer solution , molar concentration , inorganic chemistry , chromatography , organic chemistry , catalysis , dentistry , medicine , silicon
Germanium was polarographically determined in NH 4 OH‐NH 4 Cl buffer of p H 9.2 on the one hand, and in 40% ethanol solutions containing the same buffer and an excess of gallein on the other hand. The optimum concentration range for the determination of germanium was 2×10 −6 to 5×10 −4 molar in the former case, and 5×10 −5 to 1×10 −3 molar in the latter case.
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