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Bromate in Drinking Water (SI-50 4E)

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Please use this column with suppressor type ion chromatography system.

Recently ozonation has been applied for sterilization of drinking water. Ozonation transforms part of bromide to bromate which is a potential carcinogen. So, it is very important to measure bromate in drinking water. A modeldrinking water with bromate was measured by suppressed coductivity with IC SI-50 4E.


Sample : Model drinking water, 500μL
1. 0.1mg/L F-
2. 0.003mg/L BrO3-
3. 20mg/L Cl-
4. 0.1mg/L Br-
5. 10mg/L NO3-
6. 10mg/L SO42-


1. : 0.02 mg/L
2. : 0.01 mg/L
3. : 0.003mg/L
Column       : Shodex IC SI-50 4E (4.0mmI.D. x 250mm)
Eluent       : 3.2mM Na2CO3 + 1mM NaHCO3 aq.
Flow rate    : 0.8mL/min
Detector     : Suppressed conductivity
Column temp. : 25°C