【名词&注释】
离子色谱法测定(ion-chromatographic determination)
[单选题]离子色谱法测定可吸附有机卤素时,当取样体积为50-200ml时,可测定水中可吸附有机溴(A.OB.r)的浓度范围为()ug/L.
A. 1-100 B. 5-1200 C. 9-1200