Complexes de l'acide anthranil-diacetique avec des metaux trivalents—IGallium et indium

Drǎgulescu, C.; Policec, Septimia; Simonescu, T.

doi:10.1016/0039-9140(66)80086-3

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Inorganic Analysis1

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1966

1998

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Cited by 5 publications

(2 citation statements)

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“…Kirkbright (344) determined selenium and tellurium by measuring their thioglycolates at 260 µ after extraction with ethyl acetate. Dr&gulescu et al used complex formation with anthranil-yV,V-diacetic acid to determine gallium-(III) and indium(III) (169) and scandium, yttrium, and lanthanum (170).…”

Section: Inorganic Analysismentioning

confidence: 99%

Ultraviolet spectrometry

Crummett¹,

Hummel²

1968

Anal. Chem.

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Section: Inorganic Analysismentioning

confidence: 99%

Ultraviolet spectrometry

Crummett¹,

Hummel²

1968

Anal. Chem.

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“…Preliminary investigations revealed that this chelating reagent forms a coloured complex with Ga(III) [18], and that interference caused by hard acid cations may be partly overcome by suitable masking agents.…”

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confidence: 99%

Spectrophotometric determination of gallium(III) with carminic acid and hexadecylpyridinium chloride

et al. 1998

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Abstract. The coloured complex formed betweenGa(III) and carminic acid (CA) was utilized for developing a spectrophotometric method of gallium deterruination in the presence of the cationic surfactant hexadecylpyridinium chloride (HDPC), which caused a bathochromic shift in the absorption spectrum and an increase in extinction. The Ga(III): CA molar ratio was 1:4 in the presence of HDPC. The complex exhibited a molar absorptivity of 3.0 x 104 dm 3 mo1-1 cm -1 at 570 nm in an aqeous solution of pH 4.0. Beer's law was obeyed between 2.0 x 10-6-2.0 x 10 -SM Ga(III), and the relative standard deviation for gallium analysis was 1.4%. Most ions did not interfere, with a few exceptions which could be masked with either diethyldithiocarbamate, ascorbic acid, thioglycollic acid or fluoride. The developed method was successfully applied without any preliminary separation to gallium determination in gallium arsenide (GaAs) semiconductor materials, and with prior extraction in a geostandard tonalite sample containing very high proportions of Fe(III) and AI(III).

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Macdonald¹,

Lingard²

1993

Dictionary of Analytical Reagents

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Complexes de l'acide anthranil-diacetique avec des metaux trivalents—IGallium et indium

Cited by 5 publications

References 4 publications

Ultraviolet spectrometry

Ultraviolet spectrometry

Spectrophotometric determination of gallium(III) with carminic acid and hexadecylpyridinium chloride

B

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