Evaluation of different digestion systems for determination of trace mercury in seaweeds by cold vapour atomic fluorescence spectrometry

Recent Studies on the Speciation and Determination of Mercury in Different Environmental Matrices Using Various Analytical Techniques

“…In this respect, electrochemical methods had a higher degree of selectivity and did not suffer from interference from other ions. Determination of the level of interference was not performed by a large number of authors [ 45 – 47 , 53 , 55 , 59 , 60 , 62 , 63 , 69 , 88 , 91 , 92 , 102 – 106 ] who determined mercury with spectrometric instruments. However, those using electrochemical instruments, spectrophotometers, or spectrofluorometers largely reported the level of interfering ion(s).…”

“…More than 90% of studies using electrochemical methods or spectrophotometry and spectrofluorometry techniques determined divalent inorganic mercury and did not report speciation. However, a few reported [ 51 , 53 , 55 , 57 , 58 , 60 – 62 , 66 – 68 , 85 , 86 , 93 , 102 – 106 , 108 , 109 ] total mercury content in various samples, which does not accurately predict toxicity based on its concentration.…”

Recent Developments in the Speciation and Determination of Mercury Using Various Analytical Techniques

“…Fernández et al [ 149 ] reported gold nanostructured screen-printed carbon electrodes for the determination of mercury using dispersive liquid-liquid microextraction. Fernández-Martínez et al [ 5 ] evaluated the different digestion systems for determination of mercury in seaweeds using CV-AFS. Silva et al [ 150 ] determined the trace amounts of mercury in alcohol vinegar samples collected from Salvador, Bahia of Brazil.…”

“…Panichev and Panicheva [ 4 ] reported the determination of the total mercury content in fish and sea products by thermal decomposition atomic absorption spectrometry. Fernández-Martínez et al [ 5 ] evaluated different digestion systems for the determination of mercury with CV-AFS (cold-vapor atomic fluorescence spectrometer) in seaweeds. Pinedo-Hernández et al [ 6 ] examined the speciation and bioavailability of mercury in sediments that had been impacted by gold mining in Colombia.…”

Photochemical Vapor Generation for the Sensitive Determination of Mercury in Soil and Sediment Samples by Atomic Fluorescence Spectrometry

“…Many different techniques have been developed for the detection, quantification, and speciation of Hg with improvement in pretreatment methods, analytical methods, and analytical instruments (3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13). Chemical vapor generation (CVG) introduced by Hatch and Ott in 1968 (14) has achieved significant and widespread application thanks to its efficient matrix separation method/ability, high analyte transport efficiency, high selectivity, and high sensitivity in combination with atomic absoprtion spectrometry (15).…”