Faster and better analysis of complex samples in a geochemical laboratory Cover image – typical samples at the CGS laboratory CASE STUDY In 1887 Murphy and Son Limited, The Council for Geoscience (CGS), located in Pretoria, South Africa, offers a wide range of geoscientific and analytical services. For the past fifteen years the CGS laboratory used a relatively uncomplicated traditional method for determination of the following anions: fluoride (F), chloride (Cl), nitrite (NO 2 ), bromide (Br), nitrate (NO 3 ), phosphate (PO 4 ), and sulphate (SO 4 ). They are particularly interested in examining anion concentrations in water as well as leachable anion concentrations in rock and soil samples. Their fairly rigid existing method could not handle high concentrations of Cl and SO

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