Fig. 1From: Validation data for the determination of perchlorate in water using ion chromatography with suppressed conductivity detectionInfluence of sample preparation—comparison of treated and untreated samples spiked with 3 µg/L perchlorate. Trace (a) untreated surface water (660 mg/L chloride, 260 mg/L sulphate, 14 mg/L nitrate); Trace (b) treated surface waterBack to article page