Correlation of methylmercury with total mercury in fishes from Korean retails

Title
Correlation of methylmercury with total mercury in fishes from Korean retails
Authors
박현미오민석정민지이선화박경수
Keywords
Correlation; methylmercury; total mercury; fish
Issue Date
2012-08
Publisher
Asian Pacific Winter Conference On Plasma spectroscopy
Abstract
Total mercury and methylmercury in 15 kinds of fishes from six Korean cities in 2010 and 2012 were determined with DMA(direct mercury analyzer) and GC/ECD. No pretreatment is needed in DMA but for methylmercury with GC/ECD and methods were validated. Correlations of methylmercury(MeHg) with total mercury(Hg) were investigated and showed in tuna, shark, whale, hairtail, mackerel and mackerel pike. Linearity of correlation was relatively good for tuna and hairtail which means that ratio of MeHg to total Hg can be the marker for the species of fishes. Ratio of MeHg to total Hg in fishes were almost same from Seoul, Busan, Incheon cities (0.41~0.47). Ratio were high at Gwangju(0.68) and Daegu(0.55) and low at Gangneung(0.36). Concentration of total Hg and MeHg in tuna at Daegu was very high compared to tuna concentration of other cities. Linearity of correlation was good at Gangneung and Gwangju (R2=0.82).
URI
http://pubs.kist.re.kr/handle/201004/43003
Appears in Collections:
KIST Publication > Conference Paper
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