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Speciation of butyltin compounds by ion chromatography coupled to electrothermal atomic absorption spectrometry
Author(s) -
Pannier F,
Dauchy X,
PotinGautier M,
Astruc A,
Astruc M
Publication year - 1993
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.590070309
Subject(s) - chemistry , atomic absorption spectroscopy , graphite furnace atomic absorption , mass spectrometry , ion chromatography , ion exchange , methanol , oxidizing agent , analytical chemistry (journal) , solvent , detection limit , chromatography , graphite , ion , organic chemistry , physics , quantum mechanics
A new method for the determination of butyltin species by ion‐exchange chromatography linked with graphite‐furnace electrothermal atomic absorption spectrometry (ETAAS) is presented. The separation is achieved on a strong cation‐exchange column with a 0.18 mol dm −3 solution of diammonium citrate at pH 6.5 with a step change to pH 4.0 in 60:40 methanol/water solvent. ETAAS detection is performed on‐line using an oxidizing matrix modifier. Mono‐, di‐ and tri‐butyltin may be determined in a single experiment with detection limits of (respectively) 0.5, 1.1 and 0.8 ng (Sn). Applications to actual samples are reported.