Determination of Some Nitrophenols by Atomic Absorption Spectrometry (AAS) After Extraction of Ionic Associates Involving the Bipyridylocopper(II) or Phenanthrolinocopper(II) Complex

1994 ◽  
Vol 59 (10) ◽  
pp. 2227-2234 ◽  
Author(s):  
Václav Stužka ◽  
Jaromír Souček
Keyword(s):  
Molecular Weight ◽  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Methyl Isobutyl Ketone ◽  
Absorption Spectrometry ◽  
Methyl Isobutyl ◽  
Isobutyl Ketone ◽  
Indirect Determination ◽  
Ionic Associates

A new method has been developed for the indirect determination of nitroso- and nitrophenols by atomic absorption spectrometry (AAS) after extraction of ionic associates involving bipyridylocopper(II) (CuDP) or phenanthrolinocopper(II) (CuPH) complexes. Nitrobenzene and methyl isobutyl ketone appeared to be suitable for the extraction. It was possible to determine several tenths to hundredths of a milligram of nitrophenol in a litre. Extractable associates with CuDP and CuPH are formed by phenols possessing two substituents or by higher molecular weight phenols such as naphthol or hydroxyquinoline. Monosubstituted phenols fail to form associates of this kind.

Indirect determination of chlorophenols by atomic absorption spectrometry (AAS) after extraction of their ionic associates involving the dipyridylocopper(II) or phenanthrolinocopper(II) complex

1991 ◽  
Vol 56 (12) ◽  
pp. 2827-2832
Author(s):  
Václav Stužka ◽  
Jana Krejčí
Keyword(s):  
Methyl Isobutyl Ketone ◽  
Absorption Spectrometry ◽  
Methyl Isobutyl ◽  
Isobutyl Ketone ◽  
Single Extraction ◽  
Indirect Determination ◽  
Complete Extraction ◽  
Ionic Associates ◽  
Novel Method

A novel method was developed for the indirect determination of chlorophenols by AAS after extraction of their ionic associates involving the dipyridylocopper(II) (CuDP) or phenanthrolinocopper(II) (CuPH) complex into nitrobenzene, o-dichlorbenzene or methyl isobutyl ketone. Nitrobenzene appeared to be particularly suitable for the extraction of the CuDP associate, methyl isobutyl ketone, for the extraction of the CuPH associate. Thee method is applicable to chlorophenol concentrations of 10-6 to 10-7 mol l-1. Using CuDP after a single complete extraction into 10 ml of nitrobenzene, the lowest determinable concentration giving rise to absorbance A = 0.010 is 0.3 mg of pentachlorophenol in a litre; using CuPH after a single extraction into 10 ml of methyl isobutyl ketone, it is 0.2 mg of chlorophenol in a litre.

Indirect determination of perchlorate by atomic absorption spectrometry

1992 ◽  
Vol 106 (3-6) ◽  
pp. 183-190 ◽  
Author(s):  
Sarnath Chattaraj ◽  
Kuntala De ◽  
Arabinda K. Das
Keyword(s):  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Absorption Spectrometry ◽  
Indirect Determination

scholarly journals Indirect determination of germanium by the atomic absorption spectrometry

1973 ◽  
Vol 22 (8) ◽  
pp. 1009-1013 ◽  
Author(s):  
Tsutomu MATSUO ◽  
Junichi SHIDA ◽  
Seiichi KUDO
Keyword(s):  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Absorption Spectrometry ◽  
Indirect Determination
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