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Determination of bromate in bottled mineral water in Korea
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2010, v.23 no.2, pp.155-160
https://doi.org/10.5806/AST.2010.23.2.155
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(2010). Determination of bromate in bottled mineral water in Korea. Analytical Science and Technology, 23(2), 155-160, https://doi.org/10.5806/AST.2010.23.2.155
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Abstract
This study was performed to compare international analytical methods of bromate and applied to determine bromate in bottled mineral water in Korea. Bromate in bottled mineral water was eluted by 10~50mM potassium hydroxide (KOH) and determined by ion chromatograph-suppressed conductivity detector (ICCD). Sample was purified with on guard Ba-, Ag- and H-cartridges and 0.2 μm membrane filter. The method detection limit (MDL) and the limit of quantitation (LOQ) of bromate were 0.1 and 0.5 μg/L, respectively. The calibration curve showed good lineality above 0.9998 in the ranges of the 0.5~40 μg/L. Bromate from 33 samples among total 157 bottled mineral water samples was detected in the concentration range of 0.5~6.5μg/L. The detected concentrations were within bottled mineral water quality criteria (10 μg/L) in Korea.
- keywords
- bromate, IC-CD, bottled mineral water
Reference
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